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><div id="package-header"
><ul class="links" id="page-menu"
><li
><a href=""
>Contents</a
></li
><li
><a href=""
>Index</a
></li
></ul
><p class="caption empty"
> </p
></div
><div id="content"
><div id="module-header"
><table class="info"
><tr
><th
>Safe Haskell</th
><td
>Safe</td
></tr
></table
><p class="caption"
>CrossPackageDocs</p
></div
><div id="synopsis"
><p id="control.syn" class="caption expander" onclick="toggleSection('syn')"
>Synopsis</p
><ul id="section.syn" class="hide" onclick="toggleSection('syn')"
><li class="src short"
><a href=""
>map</a
> :: (a -> b) -> [a] -> [b]</li
><li class="src short"
><span class="keyword"
>class</span
> <a href=""
>IsString</a
> a <span class="keyword"
>where</span
><ul class="subs"
><li
><a href=""
>fromString</a
> :: <a href=""
>String</a
> -> a</li
></ul
></li
><li class="src short"
><a href=""
>runInteractiveProcess</a
> :: <a href=""
>FilePath</a
> -> [<a href=""
>String</a
>] -> <a href=""
>Maybe</a
> <a href=""
>FilePath</a
> -> <a href=""
>Maybe</a
> [(<a href=""
>String</a
>, <a href=""
>String</a
>)] -> <a href=""
>IO</a
> (<a href=""
>Handle</a
>, <a href=""
>Handle</a
>, <a href=""
>Handle</a
>, <a href=""
>ProcessHandle</a
>)</li
></ul
></div
><div id="interface"
><h1
>Documentation</h1
><div class="top"
><p class="src"
><a name="v:map" class="def"
>map</a
> :: (a -> b) -> [a] -> [b]</p
><div class="doc"
><p
><code
><a href=""
>map</a
></code
> <code
>f xs</code
> is the list obtained by applying <code
>f</code
> to each element
of <code
>xs</code
>, i.e.,</p
><pre
> map f [x1, x2, ..., xn] == [f x1, f x2, ..., f xn]
map f [x1, x2, ...] == [f x1, f x2, ...]</pre
></div
></div
><div class="top"
><p class="src"
><span class="keyword"
>class</span
> <a name="t:IsString" class="def"
>IsString</a
> a <span class="keyword"
>where</span
></p
><div class="doc"
><p
>Class for string-like datastructures; used by the overloaded string
extension (-XOverloadedStrings in GHC).</p
></div
><div class="subs methods"
><p class="caption"
>Methods</p
><p class="src"
><a name="v:fromString" class="def"
>fromString</a
> :: <a href=""
>String</a
> -> a</p
></div
><div class="subs instances"
><p id="control.i:IsString" class="caption collapser" onclick="toggleSection('i:IsString')"
>Instances</p
><div id="section.i:IsString" class="show"
><table
><tr
><td class="src"
><a href=""
>IsString</a
> [<a href=""
>Char</a
>]</td
><td class="doc empty"
> </td
></tr
></table
></div
></div
></div
><div class="top"
><p class="src"
><a name="v:runInteractiveProcess" class="def"
>runInteractiveProcess</a
></p
><div class="subs arguments"
><p class="caption"
>Arguments</p
><table
><tr
><td class="src"
>:: <a href=""
>FilePath</a
></td
><td class="doc"
><p
>Filename of the executable (see <code
><a href=""
>proc</a
></code
> for details)</p
></td
></tr
><tr
><td class="src"
>-> [<a href=""
>String</a
>]</td
><td class="doc"
><p
>Arguments to pass to the executable</p
></td
></tr
><tr
><td class="src"
>-> <a href=""
>Maybe</a
> <a href=""
>FilePath</a
></td
><td class="doc"
><p
>Optional path to the working directory</p
></td
></tr
><tr
><td class="src"
>-> <a href=""
>Maybe</a
> [(<a href=""
>String</a
>, <a href=""
>String</a
>)]</td
><td class="doc"
><p
>Optional environment (otherwise inherit)</p
></td
></tr
><tr
><td class="src"
>-> <a href=""
>IO</a
> (<a href=""
>Handle</a
>, <a href=""
>Handle</a
>, <a href=""
>Handle</a
>, <a href=""
>ProcessHandle</a
>)</td
><td class="doc empty"
> </td
></tr
></table
></div
><div class="doc"
><p
>Runs a raw command, and returns <code
><a href=""
>Handle</a
></code
>s that may be used to communicate
with the process via its <code
>stdin</code
>, <code
>stdout</code
> and <code
>stderr</code
> respectively.</p
><p
>For example, to start a process and feed a string to its stdin:</p
><pre
> (inp,out,err,pid) <- runInteractiveProcess "..."
forkIO (hPutStr inp str)</pre
><p
>The <code
><a href=""
>Handle</a
></code
>s are initially in binary mode; if you need them to be
in text mode then use <code
><a href=""
>hSetBinaryMode</a
></code
>.</p
></div
></div
></div
></div
><div id="footer"
><p
>Produced by <a href=""
>Haddock</a
> version 2.15.0</p
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