[hcoop/debian/mlton.git] / doc / guide / src / OperatorPrecedence.adoc

OperatorPrecedence
==================

<:StandardML:Standard ML> has a built in notion of precedence for
certain symbols.  Every program that includes the
<:BasisLibrary:Basis Library> automatically gets the following infix
declarations.  Higher number indicates higher precedence.

[source,sml]
----
infix 7 * / mod div
infix 6 + - ^
infixr 5 :: @
infix 4 = <> > >= < <=
infix 3 := o
infix 0 before
----
Commit	Line	Data
7f918cf1 CE	1	OperatorPrecedence
	2	==================
	3
	4	<:StandardML:Standard ML> has a built in notion of precedence for
	5	certain symbols. Every program that includes the
	6	<:BasisLibrary:Basis Library> automatically gets the following infix
	7	declarations. Higher number indicates higher precedence.
	8
	9	[source,sml]
	10	----
	11	infix 7 * / mod div
	12	infix 6 + - ^
	13	infixr 5 :: @
	14	infix 4 = <> > >= < <=
	15	infix 3 := o
	16	infix 0 before
	17	----