Semaphore class

同时进行的数量上限，超出的按先后排队（同步时并行的 HTTP 请求 4 个）。

Constructors

Semaphore(int limit)

Properties

hashCode → int
The hash code for this object.
no setterinherited
limit → int
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited

Methods

noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
run<T>(Future<T> action()) → Future<T>
toString() → String
A string representation of this object.
inherited

Operators

operator ==(Object other) → bool
The equality operator.
inherited