new
Source: compiler/src/builtin_docs/keywords.md Constructs a class instance: new Class(args).
Arguments fill the fields in declaration order.
A class invariant is checked after construction. readonly new Class(…)
builds a sealed instance.
class Point {
pub x: int,
pub y: int,
}
fn main() {
let p = new Point(3, 4);
let sum = p.x + p.y;
}
See also#
fn: Declares a function, a method, or (written in an expression) an anonymous function.let: Declares a mutable local variable.const: Declares a binding that cannot be reassigned: a local, a module constant, or a class field that is set only bynew.static: Declares a module-level or class-level slot shared by the whole program, or a method withoutself.readonly: A read-only view of a value: nothing reachable through it can be changed.if: Runs a block when aboolcondition is true.else: Introduces the branch of anifthat runs when its condition is false (or its pattern does not match).while: Repeats a block while aboolcondition is true.