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-rw-r--r--src/oldLib.zig227
1 files changed, 0 insertions, 227 deletions
diff --git a/src/oldLib.zig b/src/oldLib.zig
deleted file mode 100644
index 013daa7..0000000
--- a/src/oldLib.zig
+++ /dev/null
@@ -1,227 +0,0 @@
-const std = @import("std");
-const Type = std.builtin.Type;
-
-fn typeVerify(T: type, expected: anytype) Type {
- const expectedType = @TypeOf(expected);
- const expectedTypeInfo = @typeInfo(expectedType);
- if (expectedTypeInfo != .@"struct")
- @compileError("Expected struct or tuple, found " ++ @typeName(expectedType));
- const realTypeInfo = @typeInfo(T);
- for (expected) |e| {
- if(realTypeInfo == e) return realTypeInfo;
- }
- for (expected) |e|
- @compileError("Expected one of " ++ @tagName(e) ++ ", found " ++ @typeName(T));
- return realTypeInfo;
-}
-
-/// ```zig
-/// (fn (fn (b) c, fn (a) b) fn (a) c)
-/// ```
-/// Function composition
-/// Type signature: (a -> b) -> (b -> c) -> (a -> c)
-/// `outerFunc` and `innerFunc` are functions of types `b -> c` and `a -> b` respectively
-/// Haskell equivalent: `outerFunc . innerFunc`
-pub fn compose(
- comptime outerFunc: anytype,
- comptime innerFunc: anytype
-) blk:{
- _=typeVerify(@TypeOf(outerFunc), .{ .@"fn" });
- _=typeVerify(@TypeOf(innerFunc), .{ .@"fn" });
- const out = @typeInfo(@TypeOf(outerFunc)).@"fn".return_type.?;
- const in = @typeInfo(@TypeOf(innerFunc)).@"fn".params[0].type.?;
- break :blk fn(in) out;
-} {
- const out = @typeInfo(@TypeOf(outerFunc)).@"fn".return_type.?;
- const in = @typeInfo(@TypeOf(innerFunc)).@"fn".params[0].type.?;
- return struct {
- fn func(input: in) out {
- return outerFunc(innerFunc(input));
- }
- }.func;
-}
-
-/// ```zig
-/// (fn (Allocator, fn (fn (a) b, []a) error{OutOfMemory}![]b)
-/// ```
-/// Map a function onto a list of values, allocating space for the new slice
-/// Type signature: `(a -> b) -> [a] -> [b]`
-/// `func` is of type `a -> b`, where `items` is of type `[a]`.
-/// `map` will return a slice of type `[b]`
-/// Haskell equivalent: `map func items`
-pub fn mapAlloc(
- allocator: std.mem.Allocator,
- func: anytype,
- items: anytype,
-) error{OutOfMemory}!blk:{
- const funcInfo = typeVerify(@TypeOf(func), .{ .@"fn" });
- const itemsInfo = typeVerify(@TypeOf(items), .{ .array, .pointer });
- switch (itemsInfo) {
- .pointer => |p| if(p.size != .many and p.size != .slice)
- @compileError("Expected pointer of size 'many' or 'slice', found " ++ @tagName(p)),
- else =>{},
- }
-
- break :blk []funcInfo.@"fn".return_type.?;
-} {
- const funcInfo = typeVerify(@TypeOf(func), .{ .@"fn" });
- var result = try allocator.alloc(funcInfo.@"fn".return_type.?, items.len);
- for(items, 0..) |item, i|
- result[i] = func(item);
- return result;
-}
-
-/// ```zig
-/// (fn (Allocator, fn (fn (a) b, []a, *[]b) void)
-/// ```
-/// Map a function onto a list of values, using a buffer
-/// Type signature: `(a -> b) -> [a] -> [b]`
-/// `func` is of type `a -> b`, where `items` is of type `[a]` and `buffer` is a pointer to a value of type `[b]`.
-/// Haskell equivalent: `map func items`
-pub fn map(
- func: anytype,
- items: anytype,
- buffer: anytype,
-) void {
- _=typeVerify(@TypeOf(func), .{ .@"fn" });
- const itemsInfo = typeVerify(@TypeOf(items), .{ .pointer, .array });
- const bufferInfo = typeVerify(@TypeOf(buffer), .{ .pointer });
- const bufferChildInfo = typeVerify(bufferInfo.pointer.child, .{ .pointer, .array });
- switch (itemsInfo) {
- .pointer => |p| if(p.size != .many and p.size != .slice)
- @compileError("Expected pointer of size 'many' or 'slice', found '" ++ @tagName(p.size) ++ "'"),
- else =>{},
- }
- switch (bufferChildInfo) {
- .pointer => |p| if(p.size != .many and p.size != .slice)
- @compileError("Expected pointer of size 'many' or 'slice', found '" ++ @tagName(p.size) ++ "'"),
- else =>{},
- }
- for (items, 0..) |item, i|
- buffer.*[i] = func(item);
-}
-
-pub fn curry(func: anytype) blk: {
- const typeInfo = typeVerify(@TypeOf(func), .{ .@"fn" }).@"fn";
- if (typeInfo.params.len == 1)
- break :blk @TypeOf(func);
- if (typeInfo.params.len == 2)
- break :blk fn(typeInfo.params[0].type.?)
- fn(typeInfo.params[1].type.?) typeInfo.return_type.?;
- if (typeInfo.params.len == 3)
- break :blk fn(typeInfo.params[0].type.?)
- fn(typeInfo.params[1].type.?)
- fn(typeInfo.params[2].type.?) typeInfo.return_type.?;
-
-} {
- const typeInfo = typeVerify(@TypeOf(func), .{ .@"fn" }).@"fn";
- if (typeInfo.params.len == 1)
- return func;
- if (typeInfo.params.len == 2)
- return struct {
- fn funct(arg1: typeInfo.params[0].type.?) fn(typeInfo.params[1].type.?) typeInfo.return_type.? {
- return struct {
- fn func2(arg2: typeInfo.params[1].type.?) typeInfo.return_type.? {
- return func(arg1, arg2);
- }
- }.func2;
- }
- }.funct;
- if (typeInfo.params.len == 3)
- return struct {
- fn func1(arg1: typeInfo.params[0].type.?) fn(typeInfo.params[1].type.?) fn(typeInfo.params[2].type.?)
- typeInfo.return_type.? {
- return struct {
- fn func2(arg2: typeInfo.params[1].type.?) fn(typeInfo.params[2].type.?) typeInfo.return_type.? {
- return struct {
- fn func3(arg3: typeInfo.params[2].type.?) typeInfo.return_type.? {
- return func(arg1, arg2, arg3);
- }
- }.func3;
- }
- }.func2;
- }
- }.func1;
-}
-
-pub fn curryHelper(func: anytype, args: anytype) blk: {
- const typeInfo = typeVerify(@TypeOf(func), .{ .@"fn" }).@"fn";
- _=typeVerify(@TypeOf(args), .{ .@"struct" });
- if (typeInfo.params.len == 1)
- break :blk @TypeOf(func);
- const newInfo = std.builtin.Type{
- .@"fn" = .{
- .calling_convention = typeInfo.calling_convention,
- .is_generic = typeInfo.is_generic,
- .params = typeInfo.params[1..],
- .is_var_args = typeInfo.is_var_args,
- .return_type = typeInfo.return_type,
- }
- };
- _=newInfo;
- // break :blk fn(typeInfo.params[args.len].type.?) @Type(newInfo);
- break :blk type;
-} {
- const typeInfo = typeVerify(@TypeOf(func), .{ .@"fn" }).@"fn";
- const argInfo = typeVerify(@TypeOf(args), .{ .@"struct" }).@"struct";
- if (args.len == typeInfo.params.len) return struct {
- pub fn funcCurry() typeInfo.return_type.? {
- return @call(.auto, func, args);
- }
- };
- const newInfo = std.builtin.Type{
- .@"fn" = .{
- .calling_convention = typeInfo.calling_convention,
- .is_generic = typeInfo.is_generic,
- .params = typeInfo.params[1..],
- .is_var_args = typeInfo.is_var_args,
- .return_type = typeInfo.return_type,
- }
- };
- _=newInfo;
- // const newType = @Type(newInfo);
- return struct {
- pub fn funcCurry(arg: typeInfo.params[0].type.?) type {
- var fields: [64]std.builtin.Type.StructField = .{std.builtin.Type.StructField{.name="10",.type=type,.is_comptime=false,.alignment=8,.default_value_ptr=null}} ** 64;
- for (argInfo.fields, 0..) |f, i| {
- fields[i] = f;
- }
- var buf2: [3:0]u8 = undefined;
- fields[args.len] = .{
- .name = blk: {
- break :blk try intToStringZ(args.len, &buf2);
- },
- .type = typeInfo.params[argInfo.fields.len].type.?,
- .is_comptime = false,
- .alignment = @alignOf(typeInfo.params[0].type.?),
- .default_value_ptr = null,
- };
- const newStruct = std.builtin.Type{
- .@"struct" = .{
- .backing_integer = argInfo.backing_integer,
- .decls = argInfo.decls,
- .fields = fields[0..args.len+1],
- .is_tuple = argInfo.is_tuple,
- .layout = argInfo.layout,
- }
- };
-
- // std.debug.print("{any}", .{fields[0..3]});
- const t = @Type(newStruct);
- var newArgs: t = undefined;
- for (@typeInfo(t).@"struct".fields, 0..) |f, i| {
- if (i == args.len) {
- @field(newArgs, f.name) = arg;
- } else @field(newArgs, f.name) = args[i];
-
- }
- return curryHelper(func, newArgs);
- }
- };
-}
-
-fn intToStringZ(int: u32, buf: []u8) ![:0]u8 {
- return try std.fmt.bufPrintZ(buf, "{}", .{int});
-}
-
-// TODO: Add