projection

package

v0.1.0 Latest Latest Go to latest Published: Nov 27, 2022 License: MIT Imports: 2 Imported by: 0

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type P bson.M

func Exc(f mongodb.Field, fn ...mongodb.Field) P

func Inc(f mongodb.Field, fn ...mongodb.Field) P

func (p P) Exc(f mongodb.Field, fn ...mongodb.Field) P

func (p P) Inc(f mongodb.Field, fn ...mongodb.Field) P

func (p P) Slice(f mongodb.Field, pos, len int) P

first five: [0,5]; last five:[-5, 5]; from 3rd to 7th: [3, 5]