Function lowerFieldMatch

datasource/context_wrapper.go:108–114

func (s *state) evalFunction(dot reflect.Value, node *expr.IdentityNode, cmd expr.Node, args []expr.Node, final reflect.Value) reflect.Value { name := node.Text function, ok := findFunction(name, s.tmpl) if !ok { return s.errorf("%q is not a defined function", name) } return s.evalCall(dot, f

(fieldName string)

// }

func lowerFieldMatch(fieldName string) func(string) bool {
	lowerField := strings.ToLower(fieldName)
	return func(field string) bool {
		//u.Debugf("check: %s == %s ?", field, lowerField)
		return strings.ToLower(field) == lowerField
	}
}

// evalField evaluates an expression like (.Field) or (.Field arg1 arg2).
// The 'final' argument represents the return value from the preceding