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| author | Bruce Hill <bruce@bruce-hill.com> | 2024-11-02 20:22:19 -0400 |
|---|---|---|
| committer | Bruce Hill <bruce@bruce-hill.com> | 2024-11-02 20:22:19 -0400 |
| commit | 0b7a0dd043a4c7ccfc924d618508d1edc0115e2f (patch) | |
| tree | 6e1942840ab7e1e10bed111d8d5a012eacdf8b9b /docs/operators.md | |
| parent | 985011aed89706e9a4b06e6c6f3239d53ac8e6e8 (diff) | |
Change reducers to use (OP: ...) syntax and return an optional value
Diffstat (limited to 'docs/operators.md')
| -rw-r--r-- | docs/operators.md | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/docs/operators.md b/docs/operators.md index 85e53242..4afa3ad3 100644 --- a/docs/operators.md +++ b/docs/operators.md @@ -50,13 +50,13 @@ reducers in action: ```tomo >> nums := [10, 20, 30] ->> (+) nums +>> (+: nums)! = 60 ->> (or) n > 15 for n in nums +>> (or: n > 15 for n in nums)! = yes >> texts := ["one", "two", "three"] ->> (++) texts +>> (++: texts)! = "onetwothree" ``` @@ -75,7 +75,7 @@ if you use a reducer on something that has no values: ```tomo >> nums := [:Int] ->> (+) nums +>> (+: nums)! Error: this collection was empty! ``` @@ -84,7 +84,7 @@ If you want to handle this case, you can either wrap it in a conditional statement or you can provide a fallback option with `else` like this: ```tomo ->> (+) nums else: 0 +>> (+: nums) or 0 = 0 ``` @@ -103,10 +103,10 @@ struct Foo(x,y:Int): >> foos := [Foo(1, 2), Foo(-10, 20)] ->> (+).x foos +>> (+.x: foos) = -9 // Shorthand for: ->> (+) f.x for f in foos +>> (+: f.x for f in foos) = -9 >> (or):is_even() foos @@ -114,7 +114,7 @@ struct Foo(x,y:Int): // Shorthand for: >> (or) f:is_even() for f in foos ->> (+).x:abs() foos +>> (+.x:abs(): foos) = 11 ``` |