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| -rw-r--r-- | doc/rust.md | 5 | ||||
| -rw-r--r-- | doc/tutorial.md | 2 |
2 files changed, 4 insertions, 3 deletions
diff --git a/doc/rust.md b/doc/rust.md index e99b3bb565d..e9c88fc3412 100644 --- a/doc/rust.md +++ b/doc/rust.md @@ -1653,11 +1653,12 @@ Path expressions are [lvalues](#lvalues-rvalues-and-temporaries). ### Tuple expressions -Tuples are written by enclosing two or more comma-separated +Tuples are written by enclosing one or more comma-separated expressions in parentheses. They are used to create [tuple-typed](#tuple-types) values. ~~~~~~~~ {.tuple} +(0,); (0f, 4.5f); ("a", 4u, true); ~~~~~~~~ @@ -2578,7 +2579,7 @@ to the record type-constructor. The differences are as follows: Tuple types and values are denoted by listing the types or values of their elements, respectively, in a parenthesized, comma-separated -list. Single-element tuples are not legal; all tuples have two or more values. +list. The members of a tuple are laid out in memory contiguously, like a record, in order specified by the tuple type. diff --git a/doc/tutorial.md b/doc/tutorial.md index 601fa578827..9a4b8472408 100644 --- a/doc/tutorial.md +++ b/doc/tutorial.md @@ -747,7 +747,7 @@ fn area(sh: Shape) -> float { Tuples in Rust behave exactly like structs, except that their fields do not have names. Thus, you cannot access their fields with dot notation. -Tuples can have any arity except for 0 or 1 (though you may consider +Tuples can have any arity except for 0 (though you may consider unit, `()`, as the empty tuple if you like). ~~~~ |