[DOC] Update cookbook

Author: eseiler

doc/cookbook/index.md

@@ -39,7 +39,7 @@ Search for keywords with `Strg + F`.
 \include test/snippet/ibf/interleaved_bloom_filter_try_increase_bin_number_to.cpp
 \include test/snippet/ibf/membership_agent_bulk_contains.cpp
 \include test/snippet/ibf/membership_agent_construction.cpp
-\include test/snippet/platform_unreachable.cpp
 \include test/snippet/readme.cpp
 \include test/snippet/snippet_main.cpp
 \include test/snippet/test/tmp_directory.cpp
+\include test/snippet/unreachable.cpp

test/scripts/add_snippets_to_cookbook.sh

@@ -44,7 +44,7 @@ head -n ${LINE_NUMBER_OF_KEY_LINE} ${COOKBOOK} > ${TMP_FILE}
 # Iterate through all files in test/snippet/*
 # Order of results from find is not fixed, so we sort the results alphabetically.
 # Snippets of doc would be: find ./doc/ -type f -name "*.cpp" -and -not -path "./doc/cookbook/*"
-for snippet in $(find test/snippet/ -type f -name "*.cpp" | sort); do
+for snippet in $(find test/snippet -type f -name "*.cpp" | sort); do
     echo "\include ${snippet}" >> ${TMP_FILE}
 done