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author | Miloslav Trmač <mitr@redhat.com> | 2022-07-28 23:27:42 +0200 |
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committer | Miloslav Trmač <mitr@redhat.com> | 2022-08-02 16:52:56 +0200 |
commit | eacee60c83685c9e6796b96b22f51625f8012530 (patch) | |
tree | 1f9c202f77addfebdf4e004795c9c33ff3ebd008 /vendor/github.com/google/go-cmp/cmp/internal/value/zero.go | |
parent | 62cc871c6667268fca30708fd03f25ee66a6fc99 (diff) | |
download | podman-eacee60c83685c9e6796b96b22f51625f8012530.tar.gz podman-eacee60c83685c9e6796b96b22f51625f8012530.tar.bz2 podman-eacee60c83685c9e6796b96b22f51625f8012530.zip |
Update c/common to an unreleased version
... to get https://github.com/containers/common/pull/1106 .
Signed-off-by: Miloslav Trmač <mitr@redhat.com>
Diffstat (limited to 'vendor/github.com/google/go-cmp/cmp/internal/value/zero.go')
-rw-r--r-- | vendor/github.com/google/go-cmp/cmp/internal/value/zero.go | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/vendor/github.com/google/go-cmp/cmp/internal/value/zero.go b/vendor/github.com/google/go-cmp/cmp/internal/value/zero.go new file mode 100644 index 000000000..9147a2997 --- /dev/null +++ b/vendor/github.com/google/go-cmp/cmp/internal/value/zero.go @@ -0,0 +1,48 @@ +// Copyright 2017, The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package value + +import ( + "math" + "reflect" +) + +// IsZero reports whether v is the zero value. +// This does not rely on Interface and so can be used on unexported fields. +func IsZero(v reflect.Value) bool { + switch v.Kind() { + case reflect.Bool: + return v.Bool() == false + case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64: + return v.Int() == 0 + case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr: + return v.Uint() == 0 + case reflect.Float32, reflect.Float64: + return math.Float64bits(v.Float()) == 0 + case reflect.Complex64, reflect.Complex128: + return math.Float64bits(real(v.Complex())) == 0 && math.Float64bits(imag(v.Complex())) == 0 + case reflect.String: + return v.String() == "" + case reflect.UnsafePointer: + return v.Pointer() == 0 + case reflect.Chan, reflect.Func, reflect.Interface, reflect.Ptr, reflect.Map, reflect.Slice: + return v.IsNil() + case reflect.Array: + for i := 0; i < v.Len(); i++ { + if !IsZero(v.Index(i)) { + return false + } + } + return true + case reflect.Struct: + for i := 0; i < v.NumField(); i++ { + if !IsZero(v.Field(i)) { + return false + } + } + return true + } + return false +} |