Allow parsing `123.foo()` as `(123).foo()`

21 files changed, 145 insertions, 136 deletions

diff --git a/CHANGES.md b/CHANGES.md
index 9b6b2cb0..856abfb7 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -2,7 +2,8 @@
 
 ## v2025-12-31
 
-- Changed `is_between()` to be bidirectional so `(5).is_between(10, 1) == yes`
+- Added support for `123.foo()` parsing the same as `(123).foo()`
+- Changed `is_between()` to be bidirectional so `5.is_between(10, 1) == yes`
 
 ## v2025-12-23.2
 
diff --git a/api/api.md b/api/api.md
index df8386ff..9e7c553e 100644
--- a/api/api.md
+++ b/api/api.md
@@ -449,7 +449,7 @@ k | `Int` | The number of things to be chosen.  | -
 
 **Example:**
 ```tomo
-assert (4).choose(2) == 6
+assert 4.choose(2) == 6
 
 ```
 ## Int.clamped
@@ -471,7 +471,7 @@ high | `Int` | The highest value the result can take.  | -
 
 **Example:**
 ```tomo
-assert (2).clamped(5, 10) == 5
+assert 2.clamped(5, 10) == 5
 
 ```
 ## Int.factorial
@@ -491,7 +491,7 @@ n | `Int` | The integer to compute the factorial of.  | -
 
 **Example:**
 ```tomo
-assert (10).factorial() == 3628800
+assert 10.factorial() == 3628800
 
 ```
 ## Int.get_bit
@@ -514,10 +514,10 @@ bit_index | `Int` | The index of the bit to check (1-indexed).  | -
 
 **Example:**
 ```tomo
-assert (6).get_bit(1) == no
-assert (6).get_bit(2) == yes
-assert (6).get_bit(3) == yes
-assert (6).get_bit(4) == no
+assert 6.get_bit(1) == no
+assert 6.get_bit(2) == yes
+assert 6.get_bit(3) == yes
+assert 6.get_bit(4) == no
 
 ```
 ## Int.hex
@@ -540,7 +540,7 @@ prefix | `Bool` | Whether to include a "0x" prefix.  | `yes`
 
 **Example:**
 ```tomo
-assert (255).hex(digits=4, uppercase=yes, prefix=yes) == "0x00FF"
+assert 255.hex(digits=4, uppercase=yes, prefix=yes) == "0x00FF"
 
 ```
 ## Int.is_between
@@ -562,10 +562,10 @@ b | `Int` | The other end of the range to check (inclusive).  | -
 
 **Example:**
 ```tomo
-assert (7).is_between(1, 10) == yes
-assert (7).is_between(10, 1) == yes
-assert (7).is_between(100, 200) == no
-assert (7).is_between(1, 7) == yes
+assert 7.is_between(1, 10) == yes
+assert 7.is_between(10, 1) == yes
+assert 7.is_between(100, 200) == no
+assert 7.is_between(1, 7) == yes
 
 ```
 ## Int.is_prime
@@ -588,8 +588,8 @@ reps | `Int` | The number of repetitions for primality tests.  | `50`
 
 **Example:**
 ```tomo
-assert (7).is_prime() == yes
-assert (6).is_prime() == no
+assert 7.is_prime() == yes
+assert 6.is_prime() == no
 
 ```
 ## Int.next_prime
@@ -611,7 +611,7 @@ x | `Int` | The integer after which to find the next prime.  | -
 
 **Example:**
 ```tomo
-assert (11).next_prime() == 13
+assert 11.next_prime() == 13
 
 ```
 ## Int.octal
@@ -633,7 +633,7 @@ prefix | `Bool` | Whether to include a "0o" prefix.  | `yes`
 
 **Example:**
 ```tomo
-assert (64).octal(digits=4, prefix=yes) == "0o0100"
+assert 64.octal(digits=4, prefix=yes) == "0o0100"
 
 ```
 ## Int.onward
@@ -655,7 +655,7 @@ step | `Int` | The increment step size.  | `1`
 **Example:**
 ```tomo
 nums : &[Int] = &[]
-for i in (5).onward()
+for i in 5.onward()
 nums.insert(i)
 stop if i == 10
 assert nums[] == [5, 6, 7, 8, 9, 10]
@@ -716,7 +716,7 @@ x | `Int` | The integer before which to find the previous prime.  | -
 
 **Example:**
 ```tomo
-assert (11).prev_prime() == 7
+assert 11.prev_prime() == 7
 
 ```
 ## Int.sqrt
@@ -736,8 +736,8 @@ x | `Int` | The integer whose square root is to be calculated.  | -
 
 **Example:**
 ```tomo
-assert (16).sqrt() == 4
-assert (17).sqrt() == 4
+assert 16.sqrt() == 4
+assert 17.sqrt() == 4
 
 ```
 ## Int.to
@@ -759,16 +759,16 @@ step | `Int?` | An optional step size to use. If unspecified or `none`, the step
 
 **Example:**
 ```tomo
-iter := (2).to(5)
+iter := 2.to(5)
 assert iter() == 2
 assert iter() == 3
 assert iter() == 4
 assert iter() == 5
 assert iter() == none
 
-assert [x for x in (2).to(5)] == [2, 3, 4, 5]
-assert [x for x in (5).to(2)] == [5, 4, 3, 2]
-assert [x for x in (2).to(5, step=2)] == [2, 4]
+assert [x for x in 2.to(5)] == [2, 3, 4, 5]
+assert [x for x in 5.to(2)] == [5, 4, 3, 2]
+assert [x for x in 2.to(5, step=2)] == [2, 4]
 
 ```
 
diff --git a/api/integers.md b/api/integers.md
index 73779021..e3fc3f30 100644
--- a/api/integers.md
+++ b/api/integers.md
@@ -41,7 +41,7 @@ k | `Int` | The number of things to be chosen.  | -
 
 **Example:**
 ```tomo
-assert (4).choose(2) == 6
+assert 4.choose(2) == 6
 
 ```
 ## Int.clamped
@@ -63,7 +63,7 @@ high | `Int` | The highest value the result can take.  | -
 
 **Example:**
 ```tomo
-assert (2).clamped(5, 10) == 5
+assert 2.clamped(5, 10) == 5
 
 ```
 ## Int.factorial
@@ -83,7 +83,7 @@ n | `Int` | The integer to compute the factorial of.  | -
 
 **Example:**
 ```tomo
-assert (10).factorial() == 3628800
+assert 10.factorial() == 3628800
 
 ```
 ## Int.get_bit
@@ -106,10 +106,10 @@ bit_index | `Int` | The index of the bit to check (1-indexed).  | -
 
 **Example:**
 ```tomo
-assert (6).get_bit(1) == no
-assert (6).get_bit(2) == yes
-assert (6).get_bit(3) == yes
-assert (6).get_bit(4) == no
+assert 6.get_bit(1) == no
+assert 6.get_bit(2) == yes
+assert 6.get_bit(3) == yes
+assert 6.get_bit(4) == no
 
 ```
 ## Int.hex
@@ -132,7 +132,7 @@ prefix | `Bool` | Whether to include a "0x" prefix.  | `yes`
 
 **Example:**
 ```tomo
-assert (255).hex(digits=4, uppercase=yes, prefix=yes) == "0x00FF"
+assert 255.hex(digits=4, uppercase=yes, prefix=yes) == "0x00FF"
 
 ```
 ## Int.is_between
@@ -154,10 +154,10 @@ b | `Int` | The other end of the range to check (inclusive).  | -
 
 **Example:**
 ```tomo
-assert (7).is_between(1, 10) == yes
-assert (7).is_between(10, 1) == yes
-assert (7).is_between(100, 200) == no
-assert (7).is_between(1, 7) == yes
+assert 7.is_between(1, 10) == yes
+assert 7.is_between(10, 1) == yes
+assert 7.is_between(100, 200) == no
+assert 7.is_between(1, 7) == yes
 
 ```
 ## Int.is_prime
@@ -180,8 +180,8 @@ reps | `Int` | The number of repetitions for primality tests.  | `50`
 
 **Example:**
 ```tomo
-assert (7).is_prime() == yes
-assert (6).is_prime() == no
+assert 7.is_prime() == yes
+assert 6.is_prime() == no
 
 ```
 ## Int.next_prime
@@ -203,7 +203,7 @@ x | `Int` | The integer after which to find the next prime.  | -
 
 **Example:**
 ```tomo
-assert (11).next_prime() == 13
+assert 11.next_prime() == 13
 
 ```
 ## Int.octal
@@ -225,7 +225,7 @@ prefix | `Bool` | Whether to include a "0o" prefix.  | `yes`
 
 **Example:**
 ```tomo
-assert (64).octal(digits=4, prefix=yes) == "0o0100"
+assert 64.octal(digits=4, prefix=yes) == "0o0100"
 
 ```
 ## Int.onward
@@ -247,7 +247,7 @@ step | `Int` | The increment step size.  | `1`
 **Example:**
 ```tomo
 nums : &[Int] = &[]
-for i in (5).onward()
+for i in 5.onward()
 nums.insert(i)
 stop if i == 10
 assert nums[] == [5, 6, 7, 8, 9, 10]
@@ -308,7 +308,7 @@ x | `Int` | The integer before which to find the previous prime.  | -
 
 **Example:**
 ```tomo
-assert (11).prev_prime() == 7
+assert 11.prev_prime() == 7
 
 ```
 ## Int.sqrt
@@ -328,8 +328,8 @@ x | `Int` | The integer whose square root is to be calculated.  | -
 
 **Example:**
 ```tomo
-assert (16).sqrt() == 4
-assert (17).sqrt() == 4
+assert 16.sqrt() == 4
+assert 17.sqrt() == 4
 
 ```
 ## Int.to
@@ -351,15 +351,15 @@ step | `Int?` | An optional step size to use. If unspecified or `none`, the step
 
 **Example:**
 ```tomo
-iter := (2).to(5)
+iter := 2.to(5)
 assert iter() == 2
 assert iter() == 3
 assert iter() == 4
 assert iter() == 5
 assert iter() == none
 
-assert [x for x in (2).to(5)] == [2, 3, 4, 5]
-assert [x for x in (5).to(2)] == [5, 4, 3, 2]
-assert [x for x in (2).to(5, step=2)] == [2, 4]
+assert [x for x in 2.to(5)] == [2, 3, 4, 5]
+assert [x for x in 5.to(2)] == [5, 4, 3, 2]
+assert [x for x in 2.to(5, step=2)] == [2, 4]
 
 ```
diff --git a/api/integers.yaml b/api/integers.yaml
index bbbd395d..68a66752 100644
--- a/api/integers.yaml
+++ b/api/integers.yaml
@@ -35,7 +35,7 @@ Int.choose:
       description: >
         The number of things to be chosen.
   example: |
-    assert (4).choose(2) == 6
+    assert 4.choose(2) == 6
 
 Int.clamped:
   short: clamp an integer
@@ -60,7 +60,7 @@ Int.clamped:
       description: >
         The highest value the result can take.
   example: |
-    assert (2).clamped(5, 10) == 5
+    assert 2.clamped(5, 10) == 5
 
 Int.factorial:
   short: factorial
@@ -76,7 +76,7 @@ Int.factorial:
       description: >
         The integer to compute the factorial of.
   example: |
-    assert (10).factorial() == 3628800
+    assert 10.factorial() == 3628800
 
 Int.get_bit:
   short: check whether a bit is set
@@ -103,10 +103,10 @@ Int.get_bit:
       description: >
         The index of the bit to check (1-indexed).
   example: |
-    assert (6).get_bit(1) == no
-    assert (6).get_bit(2) == yes
-    assert (6).get_bit(3) == yes
-    assert (6).get_bit(4) == no
+    assert 6.get_bit(1) == no
+    assert 6.get_bit(2) == yes
+    assert 6.get_bit(3) == yes
+    assert 6.get_bit(4) == no
 
 Int.hex:
   short: convert to hexidecimal
@@ -137,7 +137,7 @@ Int.hex:
       description: >
         Whether to include a "0x" prefix.
   example: |
-    assert (255).hex(digits=4, uppercase=yes, prefix=yes) == "0x00FF"
+    assert 255.hex(digits=4, uppercase=yes, prefix=yes) == "0x00FF"
 
 Int.is_between:
   short: test if an int is in a range
@@ -161,10 +161,10 @@ Int.is_between:
       description: >
         The other end of the range to check (inclusive).
   example: |
-    assert (7).is_between(1, 10) == yes
-    assert (7).is_between(10, 1) == yes
-    assert (7).is_between(100, 200) == no
-    assert (7).is_between(1, 7) == yes
+    assert 7.is_between(1, 10) == yes
+    assert 7.is_between(10, 1) == yes
+    assert 7.is_between(100, 200) == no
+    assert 7.is_between(1, 7) == yes
 
 Int.is_prime:
   short: check if an integer is prime
@@ -190,8 +190,8 @@ Int.is_prime:
       description: >
         The number of repetitions for primality tests.
   example: |
-    assert (7).is_prime() == yes
-    assert (6).is_prime() == no
+    assert 7.is_prime() == yes
+    assert 6.is_prime() == no
 
 Int.next_prime:
   short: get the next prime
@@ -212,7 +212,7 @@ Int.next_prime:
       description: >
         The integer after which to find the next prime.
   example: |
-    assert (11).next_prime() == 13
+    assert 11.next_prime() == 13
 
 Int.octal:
   short: convert to octal
@@ -238,7 +238,7 @@ Int.octal:
       description: >
         Whether to include a "0o" prefix.
   example: |
-    assert (64).octal(digits=4, prefix=yes) == "0o0100"
+    assert 64.octal(digits=4, prefix=yes) == "0o0100"
 
 Int.onward:
   short: iterate from a number onward
@@ -261,7 +261,7 @@ Int.onward:
         The increment step size.
   example: |
     nums : &[Int] = &[]
-    for i in (5).onward()
+    for i in 5.onward()
     nums.insert(i)
     stop if i == 10
     assert nums[] == [5, 6, 7, 8, 9, 10]
@@ -334,7 +334,7 @@ Int.prev_prime:
       description: >
         The integer before which to find the previous prime.
   example: |
-    assert (11).prev_prime() == 7
+    assert 11.prev_prime() == 7
 
 Int.sqrt:
   short: square root
@@ -350,8 +350,8 @@ Int.sqrt:
       description: >
         The integer whose square root is to be calculated.
   example: |
-    assert (16).sqrt() == 4
-    assert (17).sqrt() == 4
+    assert 16.sqrt() == 4
+    assert 17.sqrt() == 4
 
 Int.to:
   short: iterate a range of integers
@@ -376,14 +376,14 @@ Int.to:
       description: >
         An optional step size to use. If unspecified or `none`, the step will be inferred to be `+1` if `last >= first`, otherwise `-1`.
   example: |
-    iter := (2).to(5)
+    iter := 2.to(5)
     assert iter() == 2
     assert iter() == 3
     assert iter() == 4
     assert iter() == 5
     assert iter() == none
 
-    assert [x for x in (2).to(5)] == [2, 3, 4, 5]
-    assert [x for x in (5).to(2)] == [5, 4, 3, 2]
-    assert [x for x in (2).to(5, step=2)] == [2, 4]
+    assert [x for x in 2.to(5)] == [2, 3, 4, 5]
+    assert [x for x in 5.to(2)] == [5, 4, 3, 2]
+    assert [x for x in 2.to(5, step=2)] == [2, 4]
 
diff --git a/man/man3/tomo-Int.choose.3 b/man/man3/tomo-Int.choose.3
index 1e5c705b..f8b310e1 100644
--- a/man/man3/tomo-Int.choose.3
+++ b/man/man3/tomo-Int.choose.3
@@ -1,8 +1,8 @@
 '\" t
-.\" Copyright (c) 2025 Bruce Hill
+.\" Copyright (c) 2026 Bruce Hill
 .\" All rights reserved.
 .\"
-.TH Int.choose 3 2025-11-29 "Tomo man-pages"
+.TH Int.choose 3 2026-01-19 "Tomo man-pages"
 .SH NAME
 Int.choose \- binomial coefficient
 .SH LIBRARY
@@ -30,7 +30,7 @@ The binomial coefficient, equivalent to the number of ways to uniquely choose `k
 
 .SH EXAMPLES
 .EX
-assert (4).choose(2) == 6
+assert 4.choose(2) == 6
 .EE
 .SH SEE ALSO
 .BR Tomo-Int (3)
diff --git a/man/man3/tomo-Int.clamped.3 b/man/man3/tomo-Int.clamped.3
index 5d846a21..5fee2f79 100644
--- a/man/man3/tomo-Int.clamped.3
+++ b/man/man3/tomo-Int.clamped.3
@@ -1,8 +1,8 @@
 '\" t
-.\" Copyright (c) 2025 Bruce Hill
+.\" Copyright (c) 2026 Bruce Hill
 .\" All rights reserved.
 .\"
-.TH Int.clamped 3 2025-11-29 "Tomo man-pages"
+.TH Int.clamped 3 2026-01-19 "Tomo man-pages"
 .SH NAME
 Int.clamped \- clamp an integer
 .SH LIBRARY
@@ -31,7 +31,7 @@ The first argument clamped between the other two arguments.
 
 .SH EXAMPLES
 .EX
-assert (2).clamped(5, 10) == 5
+assert 2.clamped(5, 10) == 5
 .EE
 .SH SEE ALSO
 .BR Tomo-Int (3)
diff --git a/man/man3/tomo-Int.factorial.3 b/man/man3/tomo-Int.factorial.3
index e7105287..f4f0572b 100644
--- a/man/man3/tomo-Int.factorial.3
+++ b/man/man3/tomo-Int.factorial.3
@@ -1,8 +1,8 @@
 '\" t
-.\" Copyright (c) 2025 Bruce Hill
+.\" Copyright (c) 2026 Bruce Hill
 .\" All rights reserved.
 .\"
-.TH Int.factorial 3 2025-11-29 "Tomo man-pages"
+.TH Int.factorial 3 2026-01-19 "Tomo man-pages"
 .SH NAME
 Int.factorial \- factorial
 .SH LIBRARY
@@ -29,7 +29,7 @@ The factorial of the given integer.
 
 .SH EXAMPLES
 .EX
-assert (10).factorial() == 3628800
+assert 10.factorial() == 3628800
 .EE
 .SH SEE ALSO
 .BR Tomo-Int (3)
diff --git a/man/man3/tomo-Int.get_bit.3 b/man/man3/tomo-Int.get_bit.3
index bf9f11b2..de53c38d 100644
--- a/man/man3/tomo-Int.get_bit.3
+++ b/man/man3/tomo-Int.get_bit.3
@@ -1,8 +1,8 @@
 '\" t
-.\" Copyright (c) 2025 Bruce Hill
+.\" Copyright (c) 2026 Bruce Hill
 .\" All rights reserved.
 .\"
-.TH Int.get_bit 3 2025-11-29 "Tomo man-pages"
+.TH Int.get_bit 3 2026-01-19 "Tomo man-pages"
 .SH NAME
 Int.get_bit \- check whether a bit is set
 .SH LIBRARY
@@ -33,10 +33,10 @@ For fixed-size integers, the bit index must be between 1 and the number of bits
 
 .SH EXAMPLES
 .EX
-assert (6).get_bit(1) == no
-assert (6).get_bit(2) == yes
-assert (6).get_bit(3) == yes
-assert (6).get_bit(4) == no
+assert 6.get_bit(1) == no
+assert 6.get_bit(2) == yes
+assert 6.get_bit(3) == yes
+assert 6.get_bit(4) == no
 .EE
 .SH SEE ALSO
 .BR Tomo-Int (3)
diff --git a/man/man3/tomo-Int.hex.3 b/man/man3/tomo-Int.hex.3
index 37fe45e4..d61e363a 100644
--- a/man/man3/tomo-Int.hex.3
+++ b/man/man3/tomo-Int.hex.3
@@ -1,8 +1,8 @@
 '\" t
-.\" Copyright (c) 2025 Bruce Hill
+.\" Copyright (c) 2026 Bruce Hill
 .\" All rights reserved.
 .\"
-.TH Int.hex 3 2025-11-29 "Tomo man-pages"
+.TH Int.hex 3 2026-01-19 "Tomo man-pages"
 .SH NAME
 Int.hex \- convert to hexidecimal
 .SH LIBRARY
@@ -32,7 +32,7 @@ The hexadecimal string representation of the integer.
 
 .SH EXAMPLES
 .EX
-assert (255).hex(digits=4, uppercase=yes, prefix=yes) == "0x00FF"
+assert 255.hex(digits=4, uppercase=yes, prefix=yes) == "0x00FF"
 .EE
 .SH SEE ALSO
 .BR Tomo-Int (3)
diff --git a/man/man3/tomo-Int.is_between.3 b/man/man3/tomo-Int.is_between.3
index fd54eb41..d902f9a6 100644
--- a/man/man3/tomo-Int.is_between.3
+++ b/man/man3/tomo-Int.is_between.3
@@ -1,8 +1,8 @@
 '\" t
-.\" Copyright (c) 2025 Bruce Hill
+.\" Copyright (c) 2026 Bruce Hill
 .\" All rights reserved.
 .\"
-.TH Int.is_between 3 2025-12-31 "Tomo man-pages"
+.TH Int.is_between 3 2026-01-19 "Tomo man-pages"
 .SH NAME
 Int.is_between \- test if an int is in a range
 .SH LIBRARY
@@ -31,10 +31,10 @@ b	Int	The other end of the range to check (inclusive).
 
 .SH EXAMPLES
 .EX
-assert (7).is_between(1, 10) == yes
-assert (7).is_between(10, 1) == yes
-assert (7).is_between(100, 200) == no
-assert (7).is_between(1, 7) == yes
+assert 7.is_between(1, 10) == yes
+assert 7.is_between(10, 1) == yes
+assert 7.is_between(100, 200) == no
+assert 7.is_between(1, 7) == yes
 .EE
 .SH SEE ALSO
 .BR Tomo-Int (3)
diff --git a/man/man3/tomo-Int.is_prime.3 b/man/man3/tomo-Int.is_prime.3
index 5dc2c826..1d3d44a7 100644
--- a/man/man3/tomo-Int.is_prime.3
+++ b/man/man3/tomo-Int.is_prime.3
@@ -1,8 +1,8 @@
 '\" t
-.\" Copyright (c) 2025 Bruce Hill
+.\" Copyright (c) 2026 Bruce Hill
 .\" All rights reserved.
 .\"
-.TH Int.is_prime 3 2025-11-29 "Tomo man-pages"
+.TH Int.is_prime 3 2026-01-19 "Tomo man-pages"
 .SH NAME
 Int.is_prime \- check if an integer is prime
 .SH LIBRARY
@@ -33,8 +33,8 @@ This function is _probabilistic_. With the default arguments, the chances of get
 
 .SH EXAMPLES
 .EX
-assert (7).is_prime() == yes
-assert (6).is_prime() == no
+assert 7.is_prime() == yes
+assert 6.is_prime() == no
 .EE
 .SH SEE ALSO
 .BR Tomo-Int (3)
diff --git a/man/man3/tomo-Int.next_prime.3 b/man/man3/tomo-Int.next_prime.3
index ab2c4307..cc577d0f 100644
--- a/man/man3/tomo-Int.next_prime.3
+++ b/man/man3/tomo-Int.next_prime.3
@@ -1,8 +1,8 @@
 '\" t
-.\" Copyright (c) 2025 Bruce Hill
+.\" Copyright (c) 2026 Bruce Hill
 .\" All rights reserved.
 .\"
-.TH Int.next_prime 3 2025-11-29 "Tomo man-pages"
+.TH Int.next_prime 3 2026-01-19 "Tomo man-pages"
 .SH NAME
 Int.next_prime \- get the next prime
 .SH LIBRARY
@@ -32,7 +32,7 @@ This function is _probabilistic_, but the chances of getting an incorrect answer
 
 .SH EXAMPLES
 .EX
-assert (11).next_prime() == 13
+assert 11.next_prime() == 13
 .EE
 .SH SEE ALSO
 .BR Tomo-Int (3)
diff --git a/man/man3/tomo-Int.octal.3 b/man/man3/tomo-Int.octal.3
index 627a2e9f..dc8ddf92 100644
--- a/man/man3/tomo-Int.octal.3
+++ b/man/man3/tomo-Int.octal.3
@@ -1,8 +1,8 @@
 '\" t
-.\" Copyright (c) 2025 Bruce Hill
+.\" Copyright (c) 2026 Bruce Hill
 .\" All rights reserved.
 .\"
-.TH Int.octal 3 2025-11-29 "Tomo man-pages"
+.TH Int.octal 3 2026-01-19 "Tomo man-pages"
 .SH NAME
 Int.octal \- convert to octal
 .SH LIBRARY
@@ -31,7 +31,7 @@ The octal string representation of the integer.
 
 .SH EXAMPLES
 .EX
-assert (64).octal(digits=4, prefix=yes) == "0o0100"
+assert 64.octal(digits=4, prefix=yes) == "0o0100"
 .EE
 .SH SEE ALSO
 .BR Tomo-Int (3)
diff --git a/man/man3/tomo-Int.onward.3 b/man/man3/tomo-Int.onward.3
index 596cf842..6cf9ffc8 100644
--- a/man/man3/tomo-Int.onward.3
+++ b/man/man3/tomo-Int.onward.3
@@ -1,8 +1,8 @@
 '\" t
-.\" Copyright (c) 2025 Bruce Hill
+.\" Copyright (c) 2026 Bruce Hill
 .\" All rights reserved.
 .\"
-.TH Int.onward 3 2025-11-29 "Tomo man-pages"
+.TH Int.onward 3 2026-01-19 "Tomo man-pages"
 .SH NAME
 Int.onward \- iterate from a number onward
 .SH LIBRARY
@@ -31,7 +31,7 @@ An iterator function that counts onward from the starting integer.
 .SH EXAMPLES
 .EX
 nums : &[Int] = &[]
-for i in (5).onward()
+for i in 5.onward()
 nums.insert(i)
 stop if i == 10
 assert nums[] == [5, 6, 7, 8, 9, 10]
diff --git a/man/man3/tomo-Int.prev_prime.3 b/man/man3/tomo-Int.prev_prime.3
index 87f7be36..6b4564df 100644
--- a/man/man3/tomo-Int.prev_prime.3
+++ b/man/man3/tomo-Int.prev_prime.3
@@ -1,8 +1,8 @@
 '\" t
-.\" Copyright (c) 2025 Bruce Hill
+.\" Copyright (c) 2026 Bruce Hill
 .\" All rights reserved.
 .\"
-.TH Int.prev_prime 3 2025-11-29 "Tomo man-pages"
+.TH Int.prev_prime 3 2026-01-19 "Tomo man-pages"
 .SH NAME
 Int.prev_prime \- get the previous prime
 .SH LIBRARY
@@ -32,7 +32,7 @@ This function is _probabilistic_, but the chances of getting an incorrect answer
 
 .SH EXAMPLES
 .EX
-assert (11).prev_prime() == 7
+assert 11.prev_prime() == 7
 .EE
 .SH SEE ALSO
 .BR Tomo-Int (3)
diff --git a/man/man3/tomo-Int.sqrt.3 b/man/man3/tomo-Int.sqrt.3
index 6a3e7eaf..fa7013a5 100644
--- a/man/man3/tomo-Int.sqrt.3
+++ b/man/man3/tomo-Int.sqrt.3
@@ -1,8 +1,8 @@
 '\" t
-.\" Copyright (c) 2025 Bruce Hill
+.\" Copyright (c) 2026 Bruce Hill
 .\" All rights reserved.
 .\"
-.TH Int.sqrt 3 2025-11-29 "Tomo man-pages"
+.TH Int.sqrt 3 2026-01-19 "Tomo man-pages"
 .SH NAME
 Int.sqrt \- square root
 .SH LIBRARY
@@ -29,8 +29,8 @@ The integer part of the square root of `x`.
 
 .SH EXAMPLES
 .EX
-assert (16).sqrt() == 4
-assert (17).sqrt() == 4
+assert 16.sqrt() == 4
+assert 17.sqrt() == 4
 .EE
 .SH SEE ALSO
 .BR Tomo-Int (3)
diff --git a/man/man3/tomo-Int.to.3 b/man/man3/tomo-Int.to.3
index 9c0fe4dc..e5ba9158 100644
--- a/man/man3/tomo-Int.to.3
+++ b/man/man3/tomo-Int.to.3
@@ -1,8 +1,8 @@
 '\" t
-.\" Copyright (c) 2025 Bruce Hill
+.\" Copyright (c) 2026 Bruce Hill
 .\" All rights reserved.
 .\"
-.TH Int.to 3 2025-11-29 "Tomo man-pages"
+.TH Int.to 3 2026-01-19 "Tomo man-pages"
 .SH NAME
 Int.to \- iterate a range of integers
 .SH LIBRARY
@@ -31,16 +31,16 @@ An iterator function that returns each integer in the given range (inclusive).
 
 .SH EXAMPLES
 .EX
-iter := (2).to(5)
+iter := 2.to(5)
 assert iter() == 2
 assert iter() == 3
 assert iter() == 4
 assert iter() == 5
 assert iter() == none
 
-assert [x for x in (2).to(5)] == [2, 3, 4, 5]
-assert [x for x in (5).to(2)] == [5, 4, 3, 2]
-assert [x for x in (2).to(5, step=2)] == [2, 4]
+assert [x for x in 2.to(5)] == [2, 3, 4, 5]
+assert [x for x in 5.to(2)] == [5, 4, 3, 2]
+assert [x for x in 2.to(5, step=2)] == [2, 4]
 .EE
 .SH SEE ALSO
 .BR Tomo-Int (3)
diff --git a/src/parse/numbers.c b/src/parse/numbers.c
index 4e746525..4e7937d9 100644
--- a/src/parse/numbers.c
+++ b/src/parse/numbers.c
@@ -57,6 +57,7 @@ ast_t *parse_num(parse_ctx_t *ctx, const char *pos) {
 
     size_t len = strspn(pos, "0123456789_");
     if (strncmp(pos + len, "..", 2) == 0) return NULL;
+    else if (pos[len] == '.' && is_xid_start_next(pos + len + 1)) return NULL;
     else if (pos[len] == '.') len += 1 + strspn(pos + len + 1, "0123456789");
     else if (pos[len] != 'e' && pos[len] != 'f' && pos[len] != '%') return NULL;
     if (pos[len] == 'e') {
diff --git a/src/parse/utils.c b/src/parse/utils.c
index 03e0ebcd..2df3f1a9 100644
--- a/src/parse/utils.c
+++ b/src/parse/utils.c
@@ -57,6 +57,12 @@ size_t match(const char **pos, const char *target) {
     return len;
 }
 
+bool is_xid_start_next(const char *pos) {
+    ucs4_t point = 0;
+    u8_next(&point, (const uint8_t *)pos);
+    return uc_is_property_xid_start(point);
+}
+
 bool is_xid_continue_next(const char *pos) {
     ucs4_t point = 0;
     u8_next(&point, (const uint8_t *)pos);
diff --git a/src/parse/utils.h b/src/parse/utils.h
index b8fb0756..89b1cc82 100644
--- a/src/parse/utils.h
+++ b/src/parse/utils.h
@@ -22,6 +22,7 @@ bool indent(parse_ctx_t *ctx, const char **pos);
 const char *eol(const char *str);
 PUREFUNC int64_t get_indent(parse_ctx_t *ctx, const char *pos);
 const char *unescape(parse_ctx_t *ctx, const char **out);
+bool is_xid_start_next(const char *pos);
 bool is_xid_continue_next(const char *pos);
 bool newline_with_indentation(const char **out, int64_t target);
 bool match_separator(parse_ctx_t *ctx, const char **pos);
diff --git a/test/integers.tm b/test/integers.tm
index 2d07beda..514acd34 100644
--- a/test/integers.tm
+++ b/test/integers.tm
@@ -59,8 +59,8 @@ func main()
 			for d in interesting_denominators
 				assert (n/d)*d + (n mod d) == n
 
-	assert (0).next_prime() == 2
-	assert (7).next_prime() == 11
+	assert 0.next_prime() == 2
+	assert 7.next_prime() == 11
 	assert (and: p.is_prime() for p in [
 		2, 3, 5, 7,
 		137372146048179869781170214707,
@@ -88,19 +88,19 @@ func main()
 	assert Int64(yes) == Int64(1)
 	assert Int64(no) == Int64(0)
 
-	assert (4).choose(2) == 6
+	assert 4.choose(2) == 6
 
-	assert (4).factorial() == 24
+	assert 4.factorial() == 24
 
-	assert (3).is_between(1, 5) == yes
-	assert (3).is_between(1, 3) == yes
-	assert (3).is_between(5, 1) == yes
-	assert (3).is_between(100, 200) == no
+	assert 3.is_between(1, 5) == yes
+	assert 3.is_between(1, 3) == yes
+	assert 3.is_between(5, 1) == yes
+	assert 3.is_between(100, 200) == no
 
-	assert (6).get_bit(1) == no
-	assert (6).get_bit(2) == yes
-	assert (6).get_bit(3) == yes
-	assert (6).get_bit(4) == no
+	assert 6.get_bit(1) == no
+	assert 6.get_bit(2) == yes
+	assert 6.get_bit(3) == yes
+	assert 6.get_bit(4) == no
 
 	assert Int64(6).get_bit(1) == no
 	assert Int64(6).get_bit(2) == yes
@@ -118,7 +118,7 @@ func main()
 	assert Int.parse("-0o10") == -8
 	assert Int.parse("-0b10") == -2
 
-	for base in (2).to(36)
+	for base in 2.to(36)
 		assert Int.parse("10", base=base) == base
 	
 	assert Int.parse("111", base=1) == 3