74 private template needOpCallAlias(alias fun)  in needOpCallAlias()  argument
91     static if (is(typeof(fun.opCall) == function))  in needOpCallAlias()
93         enum needOpCallAlias = !is(typeof(fun)) && __traits(compiles, () {  in needOpCallAlias()
94             return fun(Parameters!fun.init);  in needOpCallAlias()
115 template unaryFun(alias fun, string parmName = "a")
117     static if (is(typeof(fun) : string))
119         static if (!fun._ctfeMatchUnary(parmName))
127             return mixin(fun);  in unaryFun()
130     else static if (needOpCallAlias!fun)
133         alias unaryFun = fun.opCall;
137         alias unaryFun = fun;
206 template binaryFun(alias fun, string parm1Name = "a",
209     static if (is(typeof(fun) : string))
211         static if (!fun._ctfeMatchBinary(parm1Name, parm2Name))
221             return mixin(fun);  in binaryFun()
224     else static if (needOpCallAlias!fun)
227         alias binaryFun = fun.opCall;
231         alias binaryFun = fun;
325 private uint _ctfeMatchUnary(string fun, string name)  in _ctfeMatchUnary()  argument
328     fun._ctfeSkipOp();  in _ctfeMatchUnary()
331         immutable h = fun._ctfeSkipName(name) + fun._ctfeSkipInteger();  in _ctfeMatchUnary()
334             fun._ctfeSkipOp();  in _ctfeMatchUnary()
339             if (!fun._ctfeSkipOp())  in _ctfeMatchUnary()
345     return fun.length == 0;  in _ctfeMatchUnary()
372 private uint _ctfeMatchBinary(string fun, string name1, string name2)  in _ctfeMatchBinary()  argument
375     fun._ctfeSkipOp();  in _ctfeMatchBinary()
378         immutable h = fun._ctfeSkipName(name1) + fun._ctfeSkipName(name2) + fun._ctfeSkipInteger();  in _ctfeMatchBinary()
381             fun._ctfeSkipOp();  in _ctfeMatchBinary()
386             if (!fun._ctfeSkipOp())  in _ctfeMatchBinary()
392     return fun.length == 0;  in _ctfeMatchBinary()
680 template partial(alias fun, alias arg)  in partial()  argument
685 …enum isSomeFunctor = (is(typeof(fun) == struct) || is(typeof(fun) == class)) && __traits(hasMember…  in partial()
686     static if (isSomeFunctor || __traits(isTemplate, fun))  in partial()
690             static if (is(typeof(fun(arg, args2))))  in partial()
692                 return fun(arg, args2);  in partial()
698                     string msg = "Cannot call '" ~ fun.stringof ~ "' with arguments " ~  in partial()
709     else static if (!isCallable!fun)  in partial()
711         static assert(false, "Cannot apply partial to a non-callable '" ~ fun.stringof ~ "'.");  in partial()
718             __traits(parent, fun), __traits(identifier, fun))))  in partial()
719             alias overloads = __traits(getOverloads, __traits(parent, fun),  in partial()
720                 __traits(identifier, fun));  in partial()
722             alias overloads = AliasSeq!(fun);  in partial()
724         enum isCallableWithArg(alias fun) = Parameters!fun.length > 0 &&  in partial()
725             is(typeof(arg) : Parameters!fun[0]);  in partial()
728         static if (overloads.length == 1 && Parameters!fun.length == 0)  in partial()
730             static assert(0, "Cannot partially apply '" ~ fun.stringof ~ "'." ~  in partial()
731                 "'" ~ fun.stringof ~ "' has 0 arguments.");  in partial()
737             enum hasParameters(alias fun) = Parameters!fun.length > 0;  in partial()
738             alias firstParameter(alias fun) = Parameters!fun[0];  in partial()
744                 string msg = "Argument mismatch for '" ~ fun.stringof ~  in partial()
769     int fun(int a, int b) { return a + b; }  in fun()  function
770     alias fun5 = partial!(fun, 5);
785         static char fun(int i, string s) { return s[i]; }  in fun()  function
786         static int fun(int a, int b) { return a * b; }  in fun()  function
788     alias fun3 = partial!(S.fun, 3);
976     static auto fun(ref T inst, ref Parameters!T args)
981     return curry!fun()(t);
1151         int fun() { return 42 + store(5); }
1155     auto x4 = s.fun();
1204 template compose(fun...)
1205 if (fun.length > 0)
1207     static if (fun.length == 1)
1209         alias compose = unaryFun!(fun[0]);
1213         alias fun0 = unaryFun!(fun[0]);
1214         alias rest = compose!(fun[1 .. $]);
1269 alias pipe(fun...) = compose!(Reverse!(fun));
1322 template memoize(alias fun)
1328     ReturnType!fun memoize(Parameters!fun args)
1330         alias Args = Parameters!fun;
1334         static Unqual!(ReturnType!fun)[Tuple!Args] memo;
1338         auto r = fun(args);
1345 template memoize(alias fun, uint maxSize)
1350     ReturnType!fun memoize(Parameters!fun args)
1355 …      static struct Value { staticMap!(Unqual, Parameters!fun) args; Unqual!(ReturnType!fun) res; }
1383             emplace(&memo[idx1], args, fun(args));
1403         memo[idx1] = Value(args, fun(args));
1616     static foreach (fun; AliasSeq!(fun000, fun001, fun010, fun011, fun100, fun101, fun110, fun111))
1618         alias mfun = memoize!fun;
1621         alias mfun2 = memoize!(fun, 42);
1866 template bind(alias fun)
1971     static auto fun(NoCopy a, NoCopy b)
1976     auto expected = fun(NoCopy(1), NoCopy(2));
1977     assert(Pair(NoCopy(1), NoCopy(2)).bind!fun == expected);