Promise: Method slots and operators

Before getting into method slots, here's a quick review of the Promise lambda grammar: lambda: [<signature>] <expression>; signature: (<arg1>, … <argN>[|<return-type>]) arg: [<type>] <argName>[=<init-expression>] expression: <statement> | { <statement1>; … <statementN>; } A lambda can be called with positional arguments … Continue reading →