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Documentation

Index

• func Choose[T any](expr bool, ift T, iff T) T
• func Coalesce[T comparable](v ...T) T
• type Zeroer

Functions

func Choose

func Choose[T any](expr bool, ift T, iff T) T

Choose implements the missing ternary (?:) operator. When the provided expression evalutes to true, the first result parameter is returned; otherwise the second.

Choose(len(s) == 1, "true", "false")

func Coalesce

func Coalesce[T comparable](v ...T) T

Coalesce returns the first non-zero value in the provided arguments. If no argument is non-zero, the zero value is returned.

Coalesce("", "", "hello", "") // "hello"
Coalesce(nil, ptr, nil) // ptr

Types

type Zeroer

type Zeroer interface {
	IsZero() bool
}

Zeroer is implemented by types that can represent a non-literal zero value