Fixed indentation.
Fixed indentation.

ianlet/rust-design-patterns,beni55/rust-design-patterns,jdavis/rust-design-patterns,beni55/rust-design-patterns,jdavis/rust-design-patterns,jdavis/rust-design-patterns,jdavis/rust-design-patterns,ianlet/rust-design-patterns,beni55/rust-design-patterns,ianlet/rust-design-patterns