#[repr(C)]
pub struct st_mem_root {
pub free: *mut USED_MEM,
pub used: *mut USED_MEM,
pub pre_alloc: *mut USED_MEM,
pub min_malloc: usize,
pub block_size: usize,
pub block_num: c_uint,
pub first_block_usage: c_uint,
pub max_capacity: usize,
pub allocated_size: usize,
pub error_for_capacity_exceeded: my_bool,
pub error_handler: Option<unsafe extern "C" fn()>,
pub m_psi_key: PSI_memory_key,
}
§error_handler: Option<unsafe extern "C" fn()>
Performs copy-assignment from
source
.
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Formats the value using the given formatter.
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Immutably borrows from an owned value.
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Mutably borrows from an owned value.
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Returns the argument unchanged.
Calls U::from(self)
.
That is, this conversion is whatever the implementation of
From<T> for U
chooses to do.
The resulting type after obtaining ownership.
Creates owned data from borrowed data, usually by cloning.
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Uses borrowed data to replace owned data, usually by cloning.
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The type returned in the event of a conversion error.
Performs the conversion.
The type returned in the event of a conversion error.
Performs the conversion.