rcombs 24b76cbb14 Add string constructor and concat routines taking explicit length args (#5586) ... ## Summary Applies the upstream changes here: https://github.com/arduino/ArduinoCore-API/compare/3b88acac8%5E...0d83f1afc3367037dbde5323c2abd0ae1bd2c583 ## Impact Adds new String convenience methods that are now available in the mainline Arduino implementation, simplifying interoperability with C code that uses pointer+length strings rather than 0-termination. Also includes a change to avoid mutating the source string when taking a substring.		2021-08-31 09:12:27 +03:00
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esp32	Add string constructor and concat routines taking explicit length args (#5586)	2021-08-31 09:12:27 +03:00