Predeclared identifiers
The following identifiers are implicitly declared in the universe block:
Types: any bool byte comparable complex64 complex128 error float32 float64 int int8 int16 int32 int64 rune string uint uint8 uint16 uint32 uint64 uintptr Constants: true false iota Zero value: nil Functions: append cap clear close complex copy delete imag len make max min new panic print println real recover
Keywords
The following keywords are reserved and may not be used as identifiers.
break default func interface select case defer go map struct chan else goto package switch const fallthrough if range type continue for import return var
Operators and punctuation
The following character sequences represent operators (including assignment operators) and punctuation:
+ & += &= && == != ( )
- | -= |= || < <= [ ]
* ^ *= ^= <- > >= { }
/ << /= <<= ++ = := , ;
% >> %= >>= -- ! ... . :
&^ &^= ~
