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package cursed
import "sync"
// Mutex is a generic locking container for Go much like Rust's std::sync::Mutex<T>.
//
// It differs from a normal sync.Mutex because it guards a value instead of just
// being something you lock and unlock to guard another value. When you are done with
// the value, call the function return to re-lock the mutex.
type Mutex[T any] struct {
val T
lock sync.Mutex
}
func NewMutex[T any](val T) *Mutex[T] {
return &Mutex[T]{val: val}
}
func (mu *Mutex[T]) Unlock() (T, func()) {
mu.lock.Lock()
return mu.val, func() { mu.lock.Unlock() }
}
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