diff options
| -rw-r--r-- | CHANGELOG.md | 1 | ||||
| -rw-r--r-- | src/gleam/int.gleam | 16 | ||||
| -rw-r--r-- | test/gleam/int_test.gleam | 14 |
3 files changed, 31 insertions, 0 deletions
diff --git a/CHANGELOG.md b/CHANGELOG.md index b45b807..c9c9dfe 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -7,6 +7,7 @@ - The `int` and `float` modules gain the `negate` function. - The `result` module gains the `all` function. - The `dynamic` module gains the `option` function. +- The `int` module gains the `to_float` function. ## v0.11.0 - 2020-08-22 diff --git a/src/gleam/int.gleam b/src/gleam/int.gleam index 2dc4f46..f717eaa 100644 --- a/src/gleam/int.gleam +++ b/src/gleam/int.gleam @@ -42,6 +42,22 @@ pub external fn to_string(Int) -> String = pub external fn to_base_string(Int, Int) -> String = "erlang" "integer_to_binary" +/// Takes an int and returns its value as a float +/// +/// ## Examples +/// +/// > to_float(5) +/// 5. +/// +/// > to_float(0) +/// 0. +/// +/// > to_float(-3) +/// -3. +/// +pub external fn to_float(a: Int) -> Float = + "erlang" "float" + /// Compares two ints, returning an order. /// /// ## Examples diff --git a/test/gleam/int_test.gleam b/test/gleam/int_test.gleam index 4a01073..97fbb84 100644 --- a/test/gleam/int_test.gleam +++ b/test/gleam/int_test.gleam @@ -52,6 +52,20 @@ pub fn to_base_string_test() { |> should.equal("-64") } +pub fn to_float_test() { + int.to_float(1) + |> should.equal(1.) + + int.to_float(5) + |> should.equal(5.) + + int.to_float(0) + |> should.equal(0.) + + int.to_float(-5) + |> should.equal(-5.) +} + pub fn compare_test() { int.compare(0, 0) |> should.equal(order.Eq) |