core::intrinsics::coverage_counter_subtract - Rust
Description: API documentation for the Rust `coverage_counter_subtract` fn in crate `core`.
Keywords: rust, rustlang, rust-lang, coverage_counter_subtract

# [−][src]Function core::intrinsics::coverage_counter_subtract

    pub unsafe extern "rust-intrinsic" fn coverage_counter_subtract(
        index: u32,
        left_index: u32,
        right_index: u32,
        start_byte_pos: u32,
        end_byte_pos: u32
    )

🔬 This is a nightly-only experimental API. (`core_intrinsics`)

intrinsics are unlikely to ever be stabilized, instead they should be used through stabilized interfaces in the rest of the standard library

This marker identifies a code region and two other counters or counter expressions whose difference is the number of times the code region was executed. (See `coverage_counter_add` for more information.)