\x &IsTrue[x: #Any_IsEqual[#File_Stem[]; "rename-func.in"]]: \x &RenameFunc[];
\x: \x &CamelCase[];
\x &IsTrue[x: #Any_IsEqual[#File_Stem[]; "constant-arith.in"]]: \x &ConstantArith[];
// &#Any_IsEqual[#File_Stem[]; "rename-func"] &RenameFunc[];
// &#Any_IsEqual[#File_Stem[]; "camel-case"] &CamelCase[];
// &#Any_IsEqual[#File_Stem[]; "constant-arith"] &ConstantArith[];

&RenameFunc[].
---
scm'read-file': scm'read-file-at-path';
E[scm'(\x . \xs)']: scm'(\(E[\x]) . \(E[\xs]))';

&CamelCase[].
---
R_Symbol[\str] &IsFalse[x: #Any_IsEqual[#String_ToCamel[\str]; ""]]: R_Symbol[#String_ToCamel[\str]];
R_Named[\name; \arg] &IsFalse[x: #Any_IsEqual[#String_ToCamel[\name]; ""]]: R_Named[#String_ToCamel[\str]; \arg];
E[R_Call[\name; \args]]: R_Call[E[\name]; #List_Map[E[\1]; \args]];
E[R_Named[\name; \arg]]: R_Named[\name; E[\arg]];

&ConstantArith[].
===
js'\(JS_Literal[\x]) + \(JS_Literal[\y])'
  &IsTrue[x: #Type_IsNum[\x]]
  &IsTrue[x: #Type_IsNum[\y]]: JS_Literal[#Num_Add[\x; \y]];
E[JS_FunctionDeclaration[\id; \params; BlockStatement[\body];
  \generator; \async; \expression]]: JS_FunctionDeclaration[
  \id; \params; BlockStatement[#List_Map[E[\1]; \body]]; \generator;
  \async; \expression];
E[JS_ExpressionStatement[\expr]]: JS_ExpressionStatement[E[\expr]];

&IsTrue[x].
---
\x: True[];

&IsFalse[x].
---
\x: False[];

//js'\(JS_Literal[\x]) + \(JS_Literal[\y])' &#Type_IsNum[\x] &#Type_IsNum[\y]: JS_Literal[#Num_Add[\x, \y]];