diff options
| author | Dmitry Vyukov <dvyukov@google.com> | 2020-07-04 11:12:55 +0200 |
|---|---|---|
| committer | Dmitry Vyukov <dvyukov@google.com> | 2020-07-04 15:05:30 +0200 |
| commit | c7d7f10bdff703e4a3c0414e8a33d4e45c91eb35 (patch) | |
| tree | 0dff0ee1f98dbfa3ad8776112053a450d176592b /vendor/github.com/stretchr/objx/mutations.go | |
| parent | 9573094ce235bd9afe88f5da27a47dd6bcc1e13b (diff) | |
go.mod: vendor golangci-lint
Diffstat (limited to 'vendor/github.com/stretchr/objx/mutations.go')
| -rw-r--r-- | vendor/github.com/stretchr/objx/mutations.go | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/vendor/github.com/stretchr/objx/mutations.go b/vendor/github.com/stretchr/objx/mutations.go new file mode 100644 index 000000000..c3400a3f7 --- /dev/null +++ b/vendor/github.com/stretchr/objx/mutations.go @@ -0,0 +1,77 @@ +package objx + +// Exclude returns a new Map with the keys in the specified []string +// excluded. +func (m Map) Exclude(exclude []string) Map { + excluded := make(Map) + for k, v := range m { + if !contains(exclude, k) { + excluded[k] = v + } + } + return excluded +} + +// Copy creates a shallow copy of the Obj. +func (m Map) Copy() Map { + copied := Map{} + for k, v := range m { + copied[k] = v + } + return copied +} + +// Merge blends the specified map with a copy of this map and returns the result. +// +// Keys that appear in both will be selected from the specified map. +// This method requires that the wrapped object be a map[string]interface{} +func (m Map) Merge(merge Map) Map { + return m.Copy().MergeHere(merge) +} + +// MergeHere blends the specified map with this map and returns the current map. +// +// Keys that appear in both will be selected from the specified map. The original map +// will be modified. This method requires that +// the wrapped object be a map[string]interface{} +func (m Map) MergeHere(merge Map) Map { + for k, v := range merge { + m[k] = v + } + return m +} + +// Transform builds a new Obj giving the transformer a chance +// to change the keys and values as it goes. This method requires that +// the wrapped object be a map[string]interface{} +func (m Map) Transform(transformer func(key string, value interface{}) (string, interface{})) Map { + newMap := Map{} + for k, v := range m { + modifiedKey, modifiedVal := transformer(k, v) + newMap[modifiedKey] = modifiedVal + } + return newMap +} + +// TransformKeys builds a new map using the specified key mapping. +// +// Unspecified keys will be unaltered. +// This method requires that the wrapped object be a map[string]interface{} +func (m Map) TransformKeys(mapping map[string]string) Map { + return m.Transform(func(key string, value interface{}) (string, interface{}) { + if newKey, ok := mapping[key]; ok { + return newKey, value + } + return key, value + }) +} + +// Checks if a string slice contains a string +func contains(s []string, e string) bool { + for _, a := range s { + if a == e { + return true + } + } + return false +} |
