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5 changes: 5 additions & 0 deletions expr/funcs.go
Original file line number Diff line number Diff line change
Expand Up @@ -72,6 +72,11 @@ func (m *FuncRegistry) Add(name string, fn CustomFunc) {
m.funcs[name] = newFunc
}

// GetFunc gets a function from the global registry if it exists.
func GetFunc(name string) (Func, bool) {
return funcReg.FuncGet(name)
}

// FuncGet gets a function from registry if it exists.
func (m *FuncRegistry) FuncGet(name string) (Func, bool) {
m.mu.RLock()
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