added the const qualifier to methods that do not change the object

jupyter-xeus / cpp-terminal

C++ library for writing multiplatform terminal applications

https://jupyter-xeus.github.io/cpp-terminal/

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Closed TobiasWallner closed 1 year ago

TobiasWallner commented 1 year ago

So that the objects may be used in a const context. this is regarding to the discussion: #264

flagarde commented 1 year ago

@TobiasWallner Nice, thanks for the work !