This code reports an incorrect "expected MemoryUsage, found ()" type mismatch error:
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cfg_if! { |
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if #[cfg(all(feature = "jemalloc", not(target_env = "msvc")))] { |
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jemalloc_ctl::epoch::advance().unwrap(); |
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MemoryUsage { |
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allocated: Bytes(jemalloc_ctl::stats::allocated::read().unwrap() as isize), |
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} |
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} else if #[cfg(all(target_os = "linux", target_env = "gnu"))] { |
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memusage_linux() |
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} else if #[cfg(windows)] { |
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// There doesn't seem to be an API for determining heap usage, so we try to |
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// approximate that by using the Commit Charge value. |
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use winapi::um::processthreadsapi::*; |
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use winapi::um::psapi::*; |
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use std::mem::{MaybeUninit, size_of}; |
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let proc = unsafe { GetCurrentProcess() }; |
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let mut mem_counters = MaybeUninit::uninit(); |
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let cb = size_of::<PROCESS_MEMORY_COUNTERS>(); |
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let ret = unsafe { GetProcessMemoryInfo(proc, mem_counters.as_mut_ptr(), cb as u32) }; |
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assert!(ret != 0); |
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let usage = unsafe { mem_counters.assume_init().PagefileUsage }; |
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MemoryUsage { allocated: Bytes(usage as isize) } |
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} else { |
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MemoryUsage { allocated: Bytes(0) } |
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} |
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} |
Might be due to incorrect handling of macros in block tail position.
