IsStruct checks if the given value is a struct of a pointer to a struct.

New returns a new validator, set up with the default rules and options.

NewRuleMap allocates and returns a RuleMap.

RegisterRule registers a rule in the default validator.

Result represents the outcome of a validation.

RuleMap stores validation rules.

Validator extracts and checks validation rules from struct tags TODO(zareone) create a Rule cache?? map[reflect.Type]ruleParams.

Rule represents a validation rule that will be applied to a struct field value.

FieldErrors is used to store struct validation errors grouped by field name.