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Union is a more familiar term than sum.

This commit is contained in:
Graydon Hoare 2010-07-01 09:36:22 -07:00
parent cb04275afa
commit 0bc1ad60ef
1 changed files with 3 additions and 3 deletions
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doc/rust.texi
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@ -1748,7 +1748,7 @@ built-in type or type-constructor name is reserved as a @emph{keyword} in
Rust; they cannot be used as user-defined identifiers in any context.
@menu
* Ref.Type.Any:: An open sum of every possible type.
* Ref.Type.Any:: An open union of every possible type.
* Ref.Type.Mach:: Machine-level types.
* Ref.Type.Int:: The machine-dependent integer types.
* Ref.Type.Float:: The machine-dependent floating-point types.
@ -1758,7 +1758,7 @@ Rust; they cannot be used as user-defined identifiers in any context.
* Ref.Type.Rec:: Labeled products of heterogeneous types.
* Ref.Type.Tup:: Unlabeled products of homogeneous types.
* Ref.Type.Vec:: Open products of homogeneous types.
* Ref.Type.Tag:: Disjoint sums of heterogeneous types.
* Ref.Type.Tag:: Disjoint unions of heterogeneous types.
* Ref.Type.Fn:: Subroutine types.
* Ref.Type.Iter:: Scoped coroutine types.
* Ref.Type.Port:: Unique inter-task message-receipt endpoints.
@ -1989,7 +1989,7 @@ vector is always bounds-checked.
@node Ref.Type.Tag
@subsection Ref.Type.Tag
The @code{tag} type-constructor forms new heterogeneous disjoint sum
The @code{tag} type-constructor forms new heterogeneous disjoint union
types.@footnote{The @code{tag} type is analogous to a @code{data} constructor
declaration in ML or a @emph{pick ADT} in Limbo.} A @code{tag} type consists
of a number of @emph{variants}, each of which is independently named and takes