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Documentation
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Overview ¶
Package abool provides atomic Boolean type for cleaner code and better performance. All rights reserved to https://github.com/tevino/abool.
Index ¶
Examples ¶
Constants ¶
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Variables ¶
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Functions ¶
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Types ¶
type AtomicBool ¶
type AtomicBool int32
AtomicBool is an atomic Boolean. Its methods are all atomic, thus safe to be called by multiple goroutines simultaneously. Note: When embedding into a struct one should always use *AtomicBool to avoid copy.
Example ¶
cond := New() // default to false cond.Set() // Sets to true cond.IsSet() // Returns true cond.UnSet() // Sets to false cond.IsNotSet() // Returns true cond.SetTo(true) // Sets to whatever you want cond.SetToIf(true, false) // Sets to `new` only if the Boolean matches the `old`, returns whether succeeded cond.Toggle() // Inverts the boolean then returns the value before inverting
Output:
func NewBool ¶
func NewBool(ok bool) *AtomicBool
NewBool creates an AtomicBool with given default value.
func (*AtomicBool) IsNotSet ¶
func (ab *AtomicBool) IsNotSet() bool
IsNotSet returns whether the Boolean is false.
func (*AtomicBool) IsSet ¶
func (ab *AtomicBool) IsSet() bool
IsSet returns whether the Boolean is true.
func (*AtomicBool) SetTo ¶
func (ab *AtomicBool) SetTo(yes bool)
SetTo sets the boolean with given Boolean.
func (*AtomicBool) SetToIf ¶
func (ab *AtomicBool) SetToIf(old, curr bool) (set bool)
SetToIf sets the Boolean to new only if the Boolean matches the old. Returns whether the set was done.
func (*AtomicBool) Toggle ¶
func (ab *AtomicBool) Toggle() bool
Toggle inverts the Boolean then returns the value before inverting.
Source Files