[16; 17) '1': [unknown]
[14; 19) '{ 1 }': [unknown]
[47; 52) '{ 1 }': [unknown]
[49; 50) '1': [unknown]
[81; 87) 'b::c()': [unknown]
[66; 90) '{     ...c(); }': ()
[72; 73) 'a': fn() -> u32
[72; 75) 'a()': [unknown]
[81; 85) 'b::c': fn() -> u32