Merge pull request #4765 from FeepingCreature/remove-neat

[neat/en] Remove Neat Language. That compiler is extremely dead.

1 files changed, 0 insertions, 297 deletions

diff --git a/neat.html.markdown b/neat.html.markdown
deleted file mode 100644
index f02461ee..00000000
--- a/neat.html.markdown
+++ /dev/null
@@ -1,297 +0,0 @@
----
-language: neat
-contributors:
-    - ["Feep", "https://github.com/FeepingCreature"]
-filename: LearnNeat.nt
----
-
-Neat is basically a smaller version of D1 with some experimental syntax and a focus on terseness without losing the basic C-like syntax.
-
-[Read more here.](https://github.com/FeepingCreature/fcc/wiki)
-
-```c
-// single line comments start with //
-/*
-  multiline comments look like this
-*/
-/+
-  or this
-  /+ these can be nested too, same as D +/
-+/
-
-// Module name. This has to match the filename/directory.
-module LearnNeat;
-
-// Make names from another module visible in this one.
-import std.file;
-// You can import multiple things at once.
-import std.math, std.util;
-// You can even group up imports!
-import std.(process, socket);
-
-// Global functions!
-void foo() { }
-
-// Main function, same as in C.
-// string[] == "array of strings".
-// "string" is just an alias for char[],
-void main(string[] args) {
-  // Call functions with "function expression".
-  writeln "Hello World";
-  // You can do it like in C too... if you really want.
-  writeln ("Hello World");
-  // Declare a variable with "type identifier"
-  string arg = ("Hello World");
-  writeln arg;
-  // (expression, expression) forms a tuple.
-  // There are no one-value tuples though.
-  // So you can always use () in the mathematical sense.
-  // (string) arg; <- is an error
-
-  /*
-    byte: 8 bit signed integer
-      char: 8 bit UTF-8 byte component.
-    short: 16 bit signed integer
-    int: 32 bit signed integer
-    long: 64 bit signed integer
-
-    float: 32 bit floating point
-    double: 64 bit floating point
-    real: biggest native size floating point (80 bit on x86).
-
-    bool: true or false
-  */
-  int a = 5;
-  bool b = true;
-  // as in C, && and || are short-circuit evaluating.
-  b = b && false;
-  assert(b == false);
-  // "" are "format strings". So $variable will be substituted at runtime
-  // with a formatted version of the variable.
-  writeln "$a";
-  // This will just print $a.
-  writeln `$a`;
-  // you can format expressions with $()
-  writeln "$(2+2)";
-  // Note: there is no special syntax for characters.
-  char c = "a";
-  // Cast values by using type: expression.
-  // There are three kinds of casts:
-  // casts that just specify conversions that would be happening automatically
-  // (implicit casts)
-  float f = float:5;
-  float f2 = 5; // would also work
-  // casts that require throwing away information or complicated computation -
-  // those must always be done explicitly
-  // (conversion casts)
-  int i = int:f;
-  // int i = f; // would not work!
-  // and, as a last attempt, casts that just reinterpret the raw data.
-  // Those only work if the types have the same size.
-  string s = "Hello World";
-  // Arrays are (length, pointer) pairs.
-  // This is a tuple type. Tuple types are (type, type, type).
-  // The type of a tuple expression is a tuple type. (duh)
-  (int, char*) array = (int, char*): s;
-  // You can index arrays and tuples using the expression[index] syntax.
-  writeln "pointer is $(array[1]) and length is $(array[0])";
-  // You can slice them using the expression[from .. to] syntax.
-  // Slicing an array makes another array.
-  writeln "$(s[0..5]) World";
-  // Alias name = expression gives the expression a name.
-  // As opposed to a variable, aliases do not have an address
-  // and can not be assigned to. (Unless the expression is assignable)
-  alias range = 0 .. 5;
-  writeln "$(s[range]) World";
-  // You can iterate over ranges.
-  for int i <- range {
-    write "$(s[i])";
-  }
-  writeln " World";
-  // Note that if "range" had been a variable, it would be 'empty' now!
-  // Range variables can only be iterated once.
-  // The syntax for iteration is "expression <- iterable".
-  // Lots of things are iterable.
-  for char c <- "Hello" { write "$c"; }
-  writeln " World";
-  // For loops are "for test statement";
-  alias test = char d <- "Hello";
-  for test write "$d";
-  writeln " World\t\x05"; // note: escapes work
-  // Pointers: function the same as in C, btw. The usual.
-  // Do note: the pointer star sticks with the TYPE, not the VARIABLE!
-  string* p;
-  assert(p == null); // default initializer
-  p = &s;
-  writeln "$(*p)";
-  // Math operators are (almost) standard.
-  int x = 2 + 3 * 4 << 5;
-  // Note: XOR is "xor". ^ is reserved for exponentiation (once I implement that).
-  int y = 3 xor 5;
-  int z = 5;
-  assert(z++ == 5);
-  assert(++z == 7);
-  writeln "x $x y $y z $z";
-  // As in D, ~ concatenates.
-  string hewo = "Hello " ~ "World";
-  // == tests for equality, "is" tests for identity.
-  assert  (hewo == s);
-  assert !(hewo is s);
-  // same as
-  assert  (hewo !is s);
-
-  // Allocate arrays using "new array length"
-  int[] integers = new int[] 10;
-  assert(integers.length == 10);
-  assert(integers[0] == 0); // zero is default initializer
-  integers = integers ~ 5; // This allocates a new array!
-  assert(integers.length == 11);
-
-  // This is an appender array.
-  // Instead of (length, pointer), it tracks (capacity, length, pointer).
-  // When you append to it, it will use the free capacity if it can.
-  // If it runs out of space, it reallocates - but it will free the old array automatically.
-  // This makes it convenient for building arrays.
-  int[auto~] appender;
-  appender ~= 2;
-  appender ~= 3;
-  appender.free(); // same as {mem.free(appender.ptr); appender = null;}
-
-  // Scope variables are automatically freed at the end of the current scope.
-  scope int[auto~] someOtherAppender;
-  // This is the same as:
-  int[auto~] someOtherAppender2;
-  onExit { someOtherAppender2.free; }
-
-  // You can do a C for loop too
-  // - but why would you want to?
-  for (int i = 0; i < 5; ++i) { }
-  // Otherwise, for and while are the same.
-  while int i <- 0..4 {
-    assert(i == 0);
-    break; // continue works too
-  } then assert(false); // if we hadn't break'd, this would run at the end
-  // This is the height of loopdom - the produce-test-consume loop.
-  do {
-    int i = 5;
-  } while (i == 5) {
-    assert(i == 5);
-    break; // otherwise we'd go back up to do {
-  }
-
-  // This is a nested function.
-  // Nested functions can access the surrounding function.
-  string returnS() { return s; }
-  writeln returnS();
-
-  // Take the address of a function using &
-  // The type of a global function is ReturnType function(ParameterTypeTuple).
-  void function() foop = &foo;
-
-  // Similarly, the type of a nested function is ReturnType delegate(ParameterTypeTuple).
-  string delegate() returnSp = &returnS;
-  writeln returnSp();
-  // Class member functions and struct member functions also fit into delegate variables.
-  // In general, delegates are functions that carry an additional context pointer.
-  // ("fat pointers" in C)
-
-  // Allocate a "snapshot" with "new delegate".
-  // Snapshots are not closures! I used to call them closures too,
-  // but then my Haskell-using friends yelled at me so I had to stop.
-  // The difference is that snapshots "capture" their surrounding context
-  // when "new" is used.
-  // This allows things like this
-  int delegate(int) add(int a) {
-    int add_a(int b) { return a + b; }
-    // This does not work - the context of add_a becomes invalid
-    // when add returns.
-    // return &add_a;
-    // Instead:
-    return new &add_a;
-  }
-  int delegate(int) dg = add 2;
-  assert (dg(3) == 5);
-  // or
-  assert (((add 2) 3) == 5);
-  // or
-  assert (add 2 3 == 5);
-  // add can also be written as
-  int delegate(int) add2(int a) {
-    // this is an implicit, nameless nested function.
-    return new λ(int b) { return a + b; }
-  }
-  // or even
-  auto add3(int a) { return new λ(int b) -> a + b; }
-  // hahahaaa
-  auto add4 = λ(int a) -> new λ(int b) -> a + b;
-  assert(add4 2 3 == 5);
-  // If your keyboard doesn't have a λ (you poor sod)
-  // you can use \ too.
-  auto add5 = \(int a) -> new \(int b) -> a + b;
-  // Note!
-  auto nestfun = λ() { } // There is NO semicolon needed here!
-  // "}" can always substitute for "};".
-  // This provides syntactic consistency with built-in statements.
-
-
-  // This is a class.
-  // Note: almost all elements of Neat can be used on the module level
-  //       or just as well inside a function.
-  class C {
-    int a;
-    void writeA() { writeln "$a"; }
-    // It's a nested class - it exists in the context of main().
-    // so if you leave main(), any instances of C become invalid.
-    void writeS() { writeln "$s"; }
-  }
-  C cc = new C;
-  // cc is a *reference* to C. Classes are always references.
-  cc.a = 5; // Always used for property access.
-  auto ccp = &cc;
-  (*ccp).a = 6;
-  // or just
-  ccp.a = 7;
-  cc.writeA();
-  cc.writeS(); // to prove I'm not making things up
-  // Interfaces work same as in D, basically. Or Java.
-  interface E { void doE(); }
-  // Inheritance works same as in D, basically. Or Java.
-  class D : C, E {
-    override void writeA() { writeln "hahahahaha no"; }
-    override void doE() { writeln "eeeee"; }
-    // all classes inherit from Object. (toString is defined in Object)
-    override string toString() { return "I am a D"; }
-  }
-  C cd = new D;
-  // all methods are always virtual.
-  cd.writeA();
-  E e = E:cd; // dynamic class cast!
-  e.doE();
-  writeln "$e"; // all interfaces convert to Object implicitly.
-
-  // Templates!
-  // Templates are parameterized namespaces, taking a type as a parameter.
-  template Templ(T) {
-    alias hi = 5, hii = 8;
-    // Templates always have to include something with the same name as the template
-    // - this will become the template's _value_.
-    // Static ifs are evaluated statically, at compile-time.
-    // Because of this, the test has to be a constant expression,
-    // or something that can be optimized to a constant.
-    static if (types-equal (T, int)) {
-      alias Templ = hi;
-    } else {
-      alias Templ = hii;
-    }
-  }
-  assert(Templ!int == 5);
-  assert(Templ!float == 8);
-}
-```
-
-## Topics Not Covered
-
- * Extended iterator types and expressions
- * Standard library
- * Conditions (error handling)
- * Macros