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feat: add IndexOf and LastIndexOf for stream

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This commit is contained in:
dudaodong
2024-11-11 10:52:29 +08:00
parent de877e5278
commit f3579fc142
7 changed files with 263 additions and 62 deletions
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19
stream/stream_test.go
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@@ -381,3 +381,22 @@ func TestStream_Min(t *testing.T) {
assert.Equal(1, max)
assert.Equal(true, ok)
}
func TestStream_IndexOf(t *testing.T) {
assert := internal.NewAssert(t, "TestStream_IndexOf")
s := FromSlice([]int{4, 2, 1, 3, 4})
assert.Equal(-1, s.IndexOf(0, func(a, b int) bool { return a == b }))
assert.Equal(0, s.IndexOf(4, func(a, b int) bool { return a == b }))
assert.Equal(3, s.IndexOf(3, func(a, b int) bool { return a == b }))
}
func TestStream_LastIndexOf(t *testing.T) {
assert := internal.NewAssert(t, "TestStream_LastIndexOf")
s := FromSlice([]int{4, 2, 1, 3, 2})
assert.Equal(-1, s.LastIndexOf(0, func(a, b int) bool { return a == b }))
assert.Equal(4, s.LastIndexOf(2, func(a, b int) bool { return a == b }))
}