Pre-SIP: Support Binary Integer Literals

[soronpo]

@odersky

I think we want to compare with genericNumberLiterals first.

Or a more far-reaching proposal

Pre-SIP: Sharp (string) interpolation

Proposal I propose to have a shorthand string interpolation, by using the sharp # character. The syntax will change as follows (feel free to correct if I expressed it wrong): processedStringLiteral ::= alphaid ‘"’ {[‘\’] processedStringPart | ‘\\’ | ‘\"’} ‘"’ | alphaid ‘"""’ {[‘"’] [‘"’] char \ (‘"’ | ‘$’) | escape} {‘"’} ‘"""’ | alphaid ‘#’ {printableChar} (whiteSpace | nl | (‘,’ ‘ ’)) ; The new grammar (supposedly) allows any con…