v1.2.0

• Added SliceHasElem / SliceHasElemBy for checking slice contains certain values
• Added SliceNotHaveElem / SliceNotHaveElemBy for checking slice not contain certain values
• Added MapHasKey for checking map contains certain values
• Added MapNotHaveKey for checking map not contain certain values

v1.1.0

• Added SliceUniqueBy to validate uniqueness with custom key function
• Added SliceSortBy to validate sorted status with custom key function
• Added SliceSortedDescBy to validate sorted status with custom key function

v1.0.0

• Added SliceContentValidator to validate slice elements
• Added MapContentValidator to validate map entries
• Added support slice-derived types in slice validation functions
• Added support map-derived types in map validation functions

v0.7.0

• Bump version of deps

v0.6.1

• Update dependencies

v0.6.0

• Rename Validator.Exec() to Validate() as Exec seems not meaningful.
• Add context to functions as first argument.

v0.5.3

• Upgrade version of external pkg gofn

v0.5.2

• Add OnError() to Validator interface instead of keeping it in individual Validator structs
• Fix and add more examples to README

v0.5.1

• Added Go docs for functions and types

v0.5.0

Support setting formatter function for specific type of params (#19)

* Support setting formatter function for specific type of params

* Refactor readme

* Add tests