Safe Haskell	Safe
Language	Haskell98

Data.Gettext.Plural

Contents

Description

This module contains definitions for plural form selection expressions AST, and an evaluator function for such expressions.

Synopsis

Data types

Supported binary operations

Constructors

Instances

Eq BinOp Source #
Instance details Defined in Data.Gettext.Plural Methods (==) :: BinOp -> BinOp -> Bool # (/=) :: BinOp -> BinOp -> Bool #
Show BinOp Source #
Instance details Defined in Data.Gettext.Plural Methods showsPrec :: Int -> BinOp -> ShowS # show :: BinOp -> String # showList :: [BinOp] -> ShowS #

Plural form selection expression AST

Constructors

N	The `n` variable
Literal Int	Literal number
If Expr Expr Expr	Ternary operator (... ? ... : ...)
Negate Expr	Unary arithmetic negation (as in `-1`).
Not Expr	Unary logic negation (as in `! (n == 1)`)
Binary BinOp Expr Expr	Binary operation

Instances

Eq Expr Source #
Instance details Defined in Data.Gettext.Plural Methods (==) :: Expr -> Expr -> Bool # (/=) :: Expr -> Expr -> Bool #
Show Expr Source #
Instance details Defined in Data.Gettext.Plural Methods showsPrec :: Int -> Expr -> ShowS # show :: Expr -> String # showList :: [Expr] -> ShowS #

Expressions

Arguments

:: Expr	Expression
-> Int	Number
-> Int	Plural form index defined by expression

Evaluate the expression