define_instruction_fn

wasm::execution::interpreter_loop

Macro define_instruction_fn 

Source 
macro_rules! define_instruction_fn {
    ($name:ident, fuel_check = omit, $contents:expr) => { ... };
    ($name:ident, fuel_check = flat($opcode:expr), $contents:expr) => { ... };
    ($name: ident, fuel_check = flat_fc($opcode: expr), $contents:expr) => { ... };
    ($name: ident, fuel_check = flat_fd($opcode: expr), $contents:expr) => { ... };
}