var

Create a mutable value.

var name = expression

Defines a mutable runtime value. In an fn body, an optional :type selects the native type.

Example

var count = 0
count += 1

Syntax

<name:id> [":" <type:qualified-id>] "=" <value:expr>

Example

var count = 0
count += 1

Arguments

• —
• : —
• name — Name of the new variable.
• type — Optional native type; inferred when omitted.
• value — Initial value. Assignment may change it later.