add negate functions to int and float modules

2 files changed, 22 insertions, 0 deletions

diff --git a/src/gleam/float.gleam b/src/gleam/float.gleam
index ecb203c..24f0330 100644
--- a/src/gleam/float.gleam
+++ b/src/gleam/float.gleam
@@ -160,3 +160,14 @@ pub fn square_root(number: Float) -> Result(Float, Nil) {
     False -> Ok(power(number, 0.5))
   }
 }
+
+/// Returns the negative of the value provided
+///
+/// ## Examples
+///
+///    > negate(1.)
+///    -1.
+///
+pub fn negate(x: Float) -> Float {
+  -1. *. x
+}
diff --git a/src/gleam/int.gleam b/src/gleam/int.gleam
index 151bfa3..2dc4f46 100644
--- a/src/gleam/int.gleam
+++ b/src/gleam/int.gleam
@@ -121,3 +121,14 @@ pub fn is_even(x: Int) -> Bool {
 pub fn is_odd(x: Int) -> Bool {
   x % 2 != 0
 }
+
+/// Returns the negative of the value provided
+///
+/// ## Examples
+///
+///    > negate(1)
+///    -1
+///
+pub fn negate(x: Int) -> Int {
+  -1 * x
+}