Started adding the basic functional constructs

Author: pcharbon70

fassembly.fxl

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+##########################################################
+## Standard FAssembly Library - Stage 1 - Fexl          ##
+##########################################################
+# At this stage, we used the Fexl library to  write      #
+# the different functional programming function in Fexl. #
+##########################################################
+# Next stage: Compilation to C bytecode                  #
+##########################################################
+
+\std=(extend std; use "src/identity.fxl")
+
+
+extend std
+\;
+

src/identity.fxl

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+# identity = λx.x
+
+\\identity=(\x x)
+
+def "identity" identity;
+std

src/self_apply.fxl

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+# self_apply = λs.(s s)
+
+\\self_apply=(\s (s s))
+
+def "self_apply" self_apply;
+std

tests/identity_test.fxl

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+# identity = λx.x
+
+\std=(extend std; use "../src/identity.fxl")
+extend std
+\;
+
+# Todo: Use propertybased testing in identity_test
+
+say ["identity 10 = " (identity 10)]
+say ["identity boo = " (identity "boo")]
+

tests/self_apply_test.fxl

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+# identity = λx.x
+
+\std=(extend std; use "../src/identity.fxl")
+extend std
+\;
+
+# Todo: Use propertybased testing in identity_test
+
+say ["identity 10 = " (identity 10)]
+say ["identity boo = " (identity "boo")]
+