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pub mod sac { pub struct Sac; impl Sac { pub fn len(&self) -> usize { 0 } } } pub mod b { pub struct Sac; impl Sac { pub fn len(&self) -> usize { 0 } pub fn bar(&self, w: u32) -> usize { 0 } pub fn bar2(&self, w: u32) -> u32 { 0 } pub fn string(w: String) -> u32 { 0 } } }