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author | Louis Pilfold <louis@lpil.uk> | 2024-01-18 16:44:27 +0000 |
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committer | Louis Pilfold <louis@lpil.uk> | 2024-01-18 16:44:27 +0000 |
commit | f92661980deac22b54e79cd44c25caba17910c95 (patch) | |
tree | 165923d00aab8e7a5d5944d388dbb182c6d57b51 /src/content/chapter1_functions/lesson06_labelled_arguments | |
parent | e35f26eb4a034aad8a531986bf876075ffb02e3c (diff) | |
download | tour-f92661980deac22b54e79cd44c25caba17910c95.tar.gz tour-f92661980deac22b54e79cd44c25caba17910c95.zip |
Last of the content!
Diffstat (limited to 'src/content/chapter1_functions/lesson06_labelled_arguments')
-rw-r--r-- | src/content/chapter1_functions/lesson06_labelled_arguments/code.gleam | 16 | ||||
-rw-r--r-- | src/content/chapter1_functions/lesson06_labelled_arguments/text.html | 23 |
2 files changed, 0 insertions, 39 deletions
diff --git a/src/content/chapter1_functions/lesson06_labelled_arguments/code.gleam b/src/content/chapter1_functions/lesson06_labelled_arguments/code.gleam deleted file mode 100644 index 25bb8c1..0000000 --- a/src/content/chapter1_functions/lesson06_labelled_arguments/code.gleam +++ /dev/null @@ -1,16 +0,0 @@ -import gleam/io - -pub fn main() { - // Without using labels - io.debug(calculate(1, 2, 3)) - - // Using the labels - io.debug(calculate(1, add: 2, multiply: 3)) - - // Using the labels in a different order - io.debug(calculate(1, multiply: 3, add: 2)) -} - -fn calculate(value: Int, add addend: Int, multiply multiplier: Int) { - value * multiplier + addend -} diff --git a/src/content/chapter1_functions/lesson06_labelled_arguments/text.html b/src/content/chapter1_functions/lesson06_labelled_arguments/text.html deleted file mode 100644 index b1d771c..0000000 --- a/src/content/chapter1_functions/lesson06_labelled_arguments/text.html +++ /dev/null @@ -1,23 +0,0 @@ -<p> - When functions take several arguments it can be difficult to remember what the - arguments are, and what order they are expected in. -</p> -<p> - To help with this Gleam supports labelled arguments, where function arguments - are given an external label in addition to their internal name. These labels - are written before the argument name in the function definition. -</p> -<p> - When labelled arguments are used the order of the arguments does not matter, - but all unlabelled arguments must come before labelled arguments. -</p> -<p> - There is no performance cost to using labelled arguments, it does not allocate - a dictionary or perform any other runtime work. -</p> -<p> - Labels are optional when calling a function, it is up to the programmer to - decide what is clearest in their code. -</p> - - |