github.com/k0marov/go-socnet@v0.0.0-20220715154813-90d07867c782/core/helpers/helpers.go (about) 1 package helpers 2 3 func MapForEachWithErr[INP, OUT any](input []INP, mapper func(INP) (OUT, error)) (output []OUT, err error) { 4 for _, elem := range input { 5 mapped, err := mapper(elem) 6 if err != nil { 7 return []OUT{}, err 8 } 9 output = append(output, mapped) 10 } 11 return 12 } 13 14 func MapForEach[INP, OUT any](input []INP, mapper func(INP) OUT) (output []OUT) { 15 for _, elem := range input { 16 output = append(output, mapper(elem)) 17 } 18 return 19 }