const bindings var bindings type inference integer literals optional values error unions blocks as expressions labeled blocks defer errdefer

if if optional capture while while optional capture for switch break values continue unreachable orelse

fn declarations parameters return types comptime parameters generic anytype inline functions function pointers recursion exported functions calling conventions

structs enums unions tagged unions arrays slices sentinel slices pointers many-item pointers opaque types

std.heap.page_allocator GeneralPurposeAllocator ArenaAllocator alloc create destroy ArrayList ownership cleanup alignment volatile pointers address spaces

error sets try catch error union payload errdefer cleanup merge error sets anyerror error return traces optional vs error testing errors

comptime blocks @TypeOf @typeInfo @field @hasDecl inline for compile errors comptime strings generic containers reflection

std.debug.print stdin reader stdout writer file open readToEndAlloc build.zig executable build options tests C interop @cImport