Created
December 4, 2015 13:34
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| libmylib.so: mylib.cr | |
| crystal mylib.cr --link-flags "-dynamic -bundle -Wl,-undefined,dynamic_lookup" -o libmylib.dylib | |
| .PHONY: clean run | |
| clean: | |
| rm *.dylib | |
| run: libmylib.dylib | |
| ruby mylib.rb |
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| fun add(a : Int32, b : Int32) : Int32 | |
| a + b | |
| end |
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| require 'fiddle' | |
| require 'fiddle/import' | |
| module MyLib | |
| extend Fiddle::Importer | |
| dlload 'libmylib.dylib' | |
| extern 'int add(int, int)' | |
| end | |
| puts MyLib.add(11, 31) |
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