cairo-lang-lowering 2.4.1

Cairo lowering phase.
Documentation 
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//! > Test function call.

//! > test_runner_name
test_function_lowering

//! > function
fn foo(ref a: felt252) -> felt252 {
    let b = true;
    if true {
      bar(ref a, b);
    } else {
    }
    if false {
      return 6;
    } else {
    }
    5
}

//! > function_name
foo

//! > module_code
fn bar(ref a: felt252, b: bool) {
}

//! > semantic_diagnostics

//! > lowering_diagnostics

//! > lowering_flat
Parameters: v0: core::felt252
blk0 (root):
Statements:
  (v1: ()) <- struct_construct()
  (v2: core::bool) <- bool::True(v1)
  (v7: core::felt252, v6: ()) <- test::bar(v0, v2)
  (v15: core::felt252) <- 5u
End:
  Return(v7, v15)

//! > ==========================================================================

//! > Test method call.

//! > test_runner_name
test_function_lowering

//! > function
fn foo() -> Option::<felt252> {
  let x = Option::None;
  x.is_some();
  x
}

//! > function_name
foo

//! > module_code

//! > semantic_diagnostics

//! > lowering_diagnostics

//! > lowering_flat
Parameters:
blk0 (root):
Statements:
  (v0: ()) <- struct_construct()
  (v1: core::option::Option::<core::felt252>) <- Option::None(v0)
  (v2: core::option::Option::<core::felt252>, v3: @core::option::Option::<core::felt252>) <- snapshot(v1)
End:
  Match(match_enum(v3) {
    Option::Some(v5) => blk1,
    Option::None(v6) => blk2,
  })

blk1:
Statements:
End:
  Goto(blk3, {})

blk2:
Statements:
End:
  Goto(blk3, {})

blk3:
Statements:
End:
  Return(v2)