let bindings var bindings const type inference indentation blocks comments string interpolation tuples object types enums

if elif else case for ranges for items while block and break continue when compile-time defer discard

proc func method iterator template macro default parameters named arguments var parameters openArray parameters

seq arrays sets tables ordered tables string operations slices mapIt filterIt collect macro

distinct types ref object object inheritance variants generics concepts option result pattern range types static types

templates untyped templates typed templates macros quote do AST inspection static blocks compileTime procs mixin bind

ref counting ARC ORC move semantics sink parameters threads threadvar locks channels async proc await

import from import export include readFile writeFile streams parseJson exceptions unit tests