条款20：宁以pass-by-reference-to-const替换pass-by-value

条款20：宁以pass-by-reference-to-const替换pass-by-value(Prefer pass-by-reference-to-const to pass-by-value)

NOTE: 1.尽量以pass-by-reference-to-const 替换pass-b […]

effective c++ 条款20：宁以pass-by-reference-to-const替换pass-by-value

记住：尽量以pass-by-reference-to-const替换pass-by-value。前者通常比较 […]

条款20：宁以pass-by-reference-to-const替换pass-by-value(Prefer pass-by-reference-to-const to pass-by-value)

NOTE: 1.尽量以pass-by-reference-to-const 替换pass-b […]

effective c++ 条款20：宁以pass-by-reference-to-const替换pass-by-value

记住：尽量以pass-by-reference-to-const替换pass-by-value。前者通常比较 […]

条款20：宁以pass-by-reference-to-const替换pass-by-value

本条款的要点： 1、尽量以pass-by-reference-to-const替换pass-by-value。 […]