Embedded programming language for Zig
Documentation changes
+5
-4
+5
-4
src/lang.zig
+5
-4
src/lang.zig
···
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const Allocator = std.mem.Allocator;
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const Arena = std.heap.ArenaAllocator;
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-
const SliceIterator = @import("./util.zig").SliceIterator;
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-
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/// Runtime error
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pub const RuntimeError = error{
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InvalidFunction,
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FunctionFail,
···
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/// A pair of values
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pub const Cons = struct { car: *Value, cdr: *Value };
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/// An iterator of values
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/// An iterator for `Value`
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///
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/// Is prone to infinite loops due to lists that reference themselves.
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pub const Iter = struct {
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current: ?*Value,
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···
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/// Evaluate the AST of a program
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pub fn evalAst(self: *Self, ast: []const *Value) RuntimeError!*Value {
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var iter = SliceIterator(*Value).init(ast);
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+
var iter = @import("./util.zig").SliceIterator(*Value).init(ast);
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var value: ?*Value = null;
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while (iter.next()) |expr| : (value = try self.evalExpr(expr)) {}
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return value orelse try Value.initNil(self);