Introduction

This is the reference manual for the Plusgut programming language.

Plusgut is a strongly typed language. It is influenced mainly by D, Rust, Go, Swift.

Notation

The syntax is specified using Extended Backus-Naur Form

Source code representation

Characters

Letters and digits

Lexical elements

Comments

Tokens

Identifiers

Keywords

Operators and Delimiters

Integer Literals

Floating-point literals

Character literals

String literals

Constants

Variables

Types

Non types

void

Boolean types

bool

Numeric types

byte        signed  8-bit integers (-128 to 127)
ubyte       unsigned  8-bit integers (0 to 255)
short       signed 16-bit integers (-32768 to 32767)
ushort      unsigned 16-bit integers (0 to 65535)
int         signed 32-bit integers (-2147483648 to 2147483647)
uint        unsigned 32-bit integers (0 to 4294967295)
long        signed 64-bit integers (-9223372036854775808 to 9223372036854775807)
ulong       unsigned 64-bit integers (0 to 18446744073709551615)
cent        (reserved for future use)
ucent       (reserved for future use)

float       IEEE-754 32-bit floating-point numbers
double      IEEE-754 64-bit floating-point numbers
real        (reserved for future use)

Character types

char        UTF-8 code unit
wchar       UTF-16 code unit
dchar       UTF-32 code unit

Array types

Slice types

[int]

String types

string      short for [char]
wstring     short for [wchar]
dstring     short for [dchar]

Struct types

Pointer types

Function types

fun()
fun(a int) int

Interface types

Map types

Templates

Templated functions

fun!(T)()
fun!(T)(a int) int

Zoadian/plusgut