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| author | Ahmad Sattar <thehabbos007@gmail.com> | 2020-06-17 22:12:52 +0200 |
|---|---|---|
| committer | Louis Pilfold <louis@lpil.uk> | 2020-06-18 21:54:19 +0100 |
| commit | 75a5d752341cef2e35ec82752ab9b34539dba2a4 (patch) | |
| tree | 719948a124c5d3cd026ff7e71730c0db78a34b7c /test | |
| parent | 8b7f2290c67d7fc8714425785aaa14bcd781623c (diff) | |
| download | gleam_stdlib-75a5d752341cef2e35ec82752ab9b34539dba2a4.tar.gz gleam_stdlib-75a5d752341cef2e35ec82752ab9b34539dba2a4.zip | |
Option map function
Diffstat (limited to 'test')
| -rw-r--r-- | test/gleam/option_test.gleam | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/test/gleam/option_test.gleam b/test/gleam/option_test.gleam index e41c221..edbb569 100644 --- a/test/gleam/option_test.gleam +++ b/test/gleam/option_test.gleam @@ -40,3 +40,17 @@ pub fn unwrap_option_test() { option.unwrap(None, 0) |> should.equal(0) } + +pub fn map_option_test() { + Some(1) + |> option.map(fn(x) { x + 1 }) + |> should.equal(Some(2)) + + Some(1) + |> option.map(fn(x) { "2" }) + |> should.equal(Some("2")) + + None + |> option.map(fn(x) { x + 1 }) + |> should.equal(None) +} |