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feat(gptr): add IsNilOrZero #40

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Merged
XQ-Gang merged 2 commits into from
Apr 27, 2026
Merged

feat(gptr): add IsNilOrZero #40

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a248aae
feat(gptr): add IsNilOrZero
luckycatx Apr 27, 2026
df0fe6a
feat: ut
luckycatx Apr 27, 2026
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5 changes: 5 additions & 0 deletions gptr/gptr.go
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Original file line number Diff line number Diff line change
Expand Up @@ -139,6 +139,11 @@ func IsNotNil[T any](p *T) bool {
return p != nil
}

// IsNilOrZero returns whether the given pointer p is nil or the value it points to is zero.
func IsNilOrZero[T comparable](p *T) bool {
return p == nil || gvalue.IsZero(*p)
}

// Clone returns a shallow copy of the slice.
// If the given pointer is nil, nil is returned.
//
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8 changes: 8 additions & 0 deletions gptr/gptr_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -81,6 +81,14 @@ func TestIsNil(t *testing.T) {
assert.True(t, IsNil[int](nil))
}

func TestIsNilOrZero(t *testing.T) {
assert.False(t, IsNilOrZero(Of(1)))
assert.False(t, IsNilOrZero(Of("Alice")))
assert.True(t, IsNilOrZero(Of(0)))
assert.True(t, IsNilOrZero(Of("")))
assert.True(t, IsNilOrZero[int](nil))
}

func TestEqual(t *testing.T) {
ptr := Of(1)
assert.True(t, Equal(ptr, ptr))
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