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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="API documentation for the Rust `metering` mod in crate `wasmer_middleware_common`."><meta name="keywords" content="rust, rustlang, rust-lang, metering"><title>wasmer_middleware_common::metering - Rust</title><link rel="stylesheet" type="text/css" href="../../normalize.css"><link rel="stylesheet" type="text/css" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../dark.css"><link rel="stylesheet" type="text/css" href="../../light.css" id="themeStyle"><script src="../../storage.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="shortcut icon" href="https://wasmer.io/static/icons/favicon.ico"><style type="text/css">#crate-search{background-image:url("../../down-arrow.svg");}</style></head><body class="rustdoc mod"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">☰</div><a href='../../wasmer_middleware_common/index.html'><div class='logo-container'><img src='https://avatars3.githubusercontent.com/u/44205449?s=200&v=4' alt='logo'></div></a><p class='location'>Module metering</p><div class="sidebar-elems"><div class="block items"><ul><li><a href="#structs">Structs</a></li><li><a href="#functions">Functions</a></li></ul></div><p class='location'><a href='../index.html'>wasmer_middleware_common</a></p><script>window.sidebarCurrent = {name: 'metering', ty: 'mod', relpath: '../'};</script><script defer src="../sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!"><img src="../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices"></div></div><script src="../../theme.js"></script><nav class="sub"><form class="search-form js-only"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"></div><a id="settings-menu" href="../../settings.html"><img src="../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class='fqn'><span class='out-of-band'><span id='render-detail'><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class='inner'>−</span>]</a></span><a class='srclink' href='../../src/wasmer_middleware_common/metering.rs.html#1-130' title='goto source code'>[src]</a></span><span class='in-band'>Module <a href='../index.html'>wasmer_middleware_common</a>::<wbr><a class="mod" href=''>metering</a></span></h1><h2 id='structs' class='section-header'><a href="#structs">Structs</a></h2>
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<table><tr class='module-item'><td><a class="struct" href="struct.ExecutionLimitExceededError.html" title='wasmer_middleware_common::metering::ExecutionLimitExceededError struct'>ExecutionLimitExceededError</a></td><td class='docblock-short'></td></tr><tr class='module-item'><td><a class="struct" href="struct.Metering.html" title='wasmer_middleware_common::metering::Metering struct'>Metering</a></td><td class='docblock-short'><p>Metering is a compiler middleware that calculates the cost of WebAssembly instructions at compile
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time and will count the cost of executed instructions at runtime. Within the Metering functionality,
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this instruction cost is called <code>points</code>.</p>
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</td></tr></table><h2 id='functions' class='section-header'><a href="#functions">Functions</a></h2>
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<table><tr class='module-item'><td><a class="fn" href="fn.get_points_used.html" title='wasmer_middleware_common::metering::get_points_used fn'>get_points_used</a></td><td class='docblock-short'><p>Returns the number of points used by an Instance.</p>
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</td></tr><tr class='module-item'><td><a class="fn" href="fn.get_points_used_ctx.html" title='wasmer_middleware_common::metering::get_points_used_ctx fn'>get_points_used_ctx</a></td><td class='docblock-short'><p>Returns the number of points used in a Ctx.</p>
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</td></tr><tr class='module-item'><td><a class="fn" href="fn.set_points_used.html" title='wasmer_middleware_common::metering::set_points_used fn'>set_points_used</a></td><td class='docblock-short'><p>Sets the number of points used by an Instance.</p>
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</td></tr><tr class='module-item'><td><a class="fn" href="fn.set_points_used_ctx.html" title='wasmer_middleware_common::metering::set_points_used_ctx fn'>set_points_used_ctx</a></td><td class='docblock-short'><p>Sets the number of points used in a Ctx.</p>
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