Module expr 

Structs

AstBlock

AstConstructorField

AstExpr

AstLetStatement

let x = v, let x: t = v, etc

AstParenExpr

IfArm

Literal

SpannedBinaryOp

SpannedUnaryOp

SquareBracketArgs

Created when we parse x[..] expressions or paths to store the .. contents. We can’t eagerly parse it because we don’t yet know whether to parse it as types or expressions.

Enums

AstBinaryOp

AstExprKind

AstStatement

LiteralKind

PermissionOp

UnaryOp