陈述和表达。 [英] Statements and expressions.
问题描述
在C中，
你叫什么用分号分隔？
表达式和表达式之间有什么区别声明？
谢谢。
In C,
what do you call that which is separated by semicolon?
what is the difference between an expression and a statement?
Thank you.
推荐答案
Martin Johansen< ma ****** @ is.online.no>潦草地写道：
Martin Johansen <ma******@is.online.no> scribbled the following:
在C中，
你用什么叫分号分隔？
表达式和语句之间的区别是什么？
In C, what do you call that which is separated by semicolon? what is the difference between an expression and a statement?
你没有C教科书吗？
" ;用分号分隔的那个可以是很多东西，但在
C中，它通常是一个声明。
语句是可执行C代码的最小单位，可以是
自行执行。表达式是任何具有值的表达式。
某些表达式符合语句（通过在
之后添加分号），但并非所有语句都符合表达式。例如，
条件和循环不是。
-
/ - Joona Palaste（pa ** ***@cc.helsinki.fi）-------------芬兰-------- \
\-- http://www.helsinki.fi/~palaste --------- ------------规则！ -------- /
玫瑰是红色的，紫罗兰是蓝色的，我是schitzophrenic，我也是。
- Bob Wiley
Don''t you have a C textbook?
"That which is separated by semicolons" can be a lot of things, but in
C, it is usually a statement.
A statement is the minimum unit of executable C code that can be
executed on its own. An expression is anything that has a value.
Some expressions qualify as statements (by adding a semicolon after
them), but not all statements qualify as expressions. For example,
conditionals and loops don''t.
--
/-- Joona Palaste (pa*****@cc.helsinki.fi) ------------- Finland --------\
\-- http://www.helsinki.fi/~palaste --------------------- rules! --------/
"Roses are red, violets are blue, I''m a schitzophrenic and so am I."
- Bob Wiley
Joona I Palaste写道：
Joona I Palaste wrote:
Martin Johansen< ma ****** @ is.online.no>潦草地写了下面的内容：
Martin Johansen <ma******@is.online.no> scribbled the following:
在C中，
你怎么称之为以分号分隔的？
语句以分号结束。
表达式和语句之间的区别是什么？
what do you call that which is separated by semicolon?
Statements are terminated by semicolons.
what is the difference between an expression and a statement?
Don 你有一本C教科书吗？
用分号分隔的那本教科书可能是很多东西，但在C语言中，它通常是一个声明。
语句是可执行C代码的最小单元，可以单独执行。表达式是任何具有值的表达式。
某些表达式符合语句（通过在
之后添加分号），
但并非所有语句都有资格作为表达式。例如，
条件和循环不是。
Don''t you have a C textbook?
"That which is separated by semicolons" can be a lot of things, but in
C, it is usually a statement.
A statement is the minimum unit of executable C code that can be
executed on its own. An expression is anything that has a value.
Some expressions qualify as statements (by adding a semicolon after
them),
but not all statements qualify as expressions. For example,
conditionals and loops don''t.
在术语表达式语句中，表达式和是一个形容词。
表达式语句是一个语句，
，没有语句是表达式。
a = 0是表达式。
;是一个空语句
a = 0;是表达式声明
你不能这样做：
if（a = 0;）{}
表达式有类型和可选的副作用。
-
pete
In the term "expression statement", "expression" is an adjective.
An expression statement is a statement,
and no statements are expressions.
a = 0 is an expression.
; is a null statement
a = 0; is an expression statement
You can''t do this:
if (a = 0;){}
Expressions have types and optionally, side effects.
--
pete
Joona I Palaste< pa ***** @ cc.helsinki.fi>写道：
Joona I Palaste <pa*****@cc.helsinki.fi> writes:
表达式是任何有值的东西。
An expression is anything that has a value.
类型`void''的表达式也是一个表达，但没有
a值。
马丁
An expression of type `void'' is also an expression, but doesn''t have
a value.
Martin
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