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-rw-r--r--api/bytes.md15
1 files changed, 12 insertions, 3 deletions
diff --git a/api/bytes.md b/api/bytes.md
index 908d78e2..fe8dddb1 100644
--- a/api/bytes.md
+++ b/api/bytes.md
@@ -86,7 +86,7 @@ high | `Byte` | The upper bound to check (inclusive). | -
## Byte.parse
```tomo
-Byte.parse : func(text: Text -> Byte?)
+Byte.parse : func(text: Text, remainder: &Text? = none -> Byte?)
```
Parse a byte literal from text.
@@ -94,6 +94,7 @@ Parse a byte literal from text.
Argument | Type | Description | Default
---------|------|-------------|---------
text | `Text` | The text to parse. | -
+remainder | `&Text?` | If non-none, this argument will be set to the remainder of the text after the matching part. If none, parsing will only succeed if the entire text matches. | `none`
**Return:** The byte parsed from the text, if successful, otherwise `none`.
@@ -101,9 +102,17 @@ text | `Text` | The text to parse. | -
**Example:**
```tomo
>> Byte.parse("5")
-= Byte(5)?
+= Byte(5) : Byte?
>> Byte.parse("asdf")
-= none
+= none : Byte?
+
+>> Byte.parse("123xyz")
+= none : Byte?
+remainder : Text
+>> Byte.parse("123xyz", &remainder)
+= Byte(123) : Byte?
+>> remainder
+= "xyz"
```
## Byte.to