January 13th Wednesday 2010

最新推荐文章于 2019-07-17 19:04:54 发布

原创最新推荐文章于 2019-07-17 19:04:54 发布 · 779 阅读

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本文详细介绍了Scheme语言中各种缩写符号的含义及其用法，包括引用、准引用、取消引用等高级特性。

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Oh, the abbreviate in shceme are so interesting. ^_^

Abbreviations
’<datum>
`<datum>
,<datum>
,@<datum>
#’<datum>
#`<datum>
#,<datum>
#,@<datum>

Each of these is an abbreviation:

’<datum> for (quote <datum>),
`<datum> for (quasiquote <datum>),
,<datum> for (unquote <datum>),
,@<datum> for (unquote-splicing <datum>),
#’<datum> for (syntax <datum>),
#`<datum> for (quasisyntax <datum>),
#,<datum> for (unsyntax <datum>), and
#,@<datum> for (unsyntax-splicing <datum>).