Add func FilterRange

Author: tiendc

README.md

@@ -57,6 +57,7 @@ go get github.com/tiendc/gofn
   - [FilterNE](#filter)
   - [FilterLT / FilterLTE](#filter)
   - [FilterGT / FilterGTE](#filter)
+  - [FilterRange](#filter)
   - [FilterIN / FilterNIN](#filter)
   - [FilterLIKE / FilterILIKE](#filter)
 
@@ -500,13 +501,14 @@ FilterLT([]int{1, 2, 3, 4}, 3)        // []int{1, 2}
 FilterLTE([]int{1, 2, 3, 4}, 3)       // []int{1, 2, 3}
 FilterGT([]int{1, 2, 3, 4}, 3)        // []int{4}
 FilterGTE([]int{1, 2, 3, 4}, 3)       // []int{3, 4}
+FilterRange([]int{1, 2, -2, 4}, 0, 3) // []int{1, 2}
 FilterNE([]int{1, 2, 3, 4}, 3)        // []int{1, 2, 4}
 FilterIN([]int{1, 2, 3, 4}, 3, 2, 7)  // []int{2, 3}
 FilterNIN([]int{1, 2, 3, 4}, 3, 2, 7) // []int{1, 4}
 FilterLIKE([]string{"*Abc*", "*abc*", "abc*", "*abc"}, "Abc")  // []string{"*Abc*"}
 FilterILIKE([]string{"*Abc*", "*abc*", "abc*", "*abc"}, "Abc") // []string{"*Abc*", "*abc*", "abc*", "*abc"}
 ```
- 
+
 ### Slice iteration
 ---
 

slice_filter.go

@@ -48,6 +48,11 @@ func FilterGTE[T NumberExt | StringExt, S ~[]T](s S, v T) S {
 	return Filter(s, func(t T) bool { return t >= v })
 }
 
+// FilterRange returns all values which are in the specified range (lower and upper bound inclusive)
+func FilterRange[T NumberExt | StringExt, S ~[]T](s S, min, max T) S {
+	return Filter(s, func(t T) bool { return t >= min && t <= max })
+}
+
 // FilterNE returns all values which are not equal to the specified value
 func FilterNE[T comparable, S ~[]T](s S, v T) S {
 	return Filter(s, func(t T) bool { return t != v })

slice_filter_test.go

@@ -68,6 +68,15 @@ func Test_FilterGTE(t *testing.T) {
 	assert.Equal(t, []string{"cd", "a"}, FilterGTE([]string{"Ab", "cd", "a"}, "a"))
 }
 
+func Test_FilterRange(t *testing.T) {
+	// Nil/Empty slices
+	assert.Equal(t, []int{}, FilterRange[int]([]int(nil), 0, 0))
+	assert.Equal(t, []int{}, FilterRange([]int{}, 0, 0))
+
+	assert.Equal(t, []int{1, 2}, FilterRange([]int{0, -10, 1, 2, -3, 0, 7}, 1, 5))
+	assert.Equal(t, []string{"a", "b", "c"}, FilterRange([]string{"Ab", "cd", "a", "b", "", "c"}, "a", "c"))
+}
+
 func Test_FilterNE(t *testing.T) {
 	// Nil/Empty slices
 	assert.Equal(t, []int{}, FilterNE[int]([]int(nil), 0))