Eric Vantillard 8b52ad62dd Feature/add pair functors (#610) ... * Move __STDC_LIMIT_MACROS and __STDC_CONSTANT_MACROS before `#include <stdint.h>`. (#601) Macros must be defined before first include of stdint.h. Else they have no effect. * Replace ETL_COMPILER_ICCAVR by ETL_COMPILER_IAR. (#602) The current definition mechanism for ETL_COMPILER_ICCAVR does not work. Both IAR compilers, for ARM and AVR define `__IAR_SYSTEMS_ICC__`. Thus `ETL_COMPILER_TYPE_DETECTED` will be defined in line before ETL_COMPILER_ICCAVR is defined. This switch will never be entered. Currently I see no reason for differentiating both compilers (`__ICCARM__` and `__ICCAVR__`). The condition for the IAR compiler platform (`__IAR_SYSTEMS_ICC__`) is sufficient (combined with <C++11 detection). At the moment ETL_COMPILER_ICCAVR is used as a switch condition for using `#pragma push_macro`. But actually IAR ARM and IAR AVR have no such macro defined. ETL_COMPILER_IAR is defined for both compilers. Thus the switch condition is replaced with ETL_COMPILER_IAR. * Fix 'maybe-uninitialized' g++ error on macos (#600) * Add documentation to the pair class * Add test directory to the EXAMPLE_PATH * Update .gitignore - Remove duplicate entries - Add doxygen output directories * Add Select1st and Select2nd functors * Merge select1st and select2nd into utility.h Co-authored-by: David Hebbeker <dhebbeker@users.noreply.github.com>		2022-10-01 11:40:18 +01:00
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etl	Feature/add pair functors (#610)	2022-10-01 11:40:18 +01:00