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Add int.__doc__ (addresses #261)

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Michael Recachinas
2019-02-02 21:37:49 +00:00
parent 328f81a28e
commit f0abcff53d
2 changed files with 22 additions and 0 deletions
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2
tests/snippets/numbers.py
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@@ -2,6 +2,8 @@ x = 5
x.__init__(6)
assert x == 5
assert int.__doc__ == "int(x=0) -> integer\nint(x, base=10) -> integer\n\nConvert a number or string to an integer, or return 0 if no arguments\nare given. If x is a number, return x.__int__(). For floating point\nnumbers, this truncates towards zero.\n\nIf x is not a number or if base is given, then x must be a string,\nbytes, or bytearray instance representing an integer literal in the\ngiven base. The literal can be preceded by '+' or '-' and be surrounded\nby whitespace. The base defaults to 10. Valid bases are 0 and 2-36.\nBase 0 means to interpret the base from the string as an integer literal.\n>>> int('0b100', base=0)\n4"
class A(int):
pass

20
vm/src/obj/objint.rs
View File

@@ -425,6 +425,25 @@ fn int_bit_length(vm: &mut VirtualMachine, args: PyFuncArgs) -> PyResult {
Ok(vm.ctx.new_int(bits.to_bigint().unwrap()))
}
fn int_doc(vm: &mut VirtualMachine, args: PyFuncArgs) -> Result<PyObjectRef, PyObjectRef> {
arg_check!(vm, args, required = [(_zelf, None)]);
let s = "int(x=0) -> integer
int(x, base=10) -> integer
Convert a number or string to an integer, or return 0 if no arguments
are given. If x is a number, return x.__int__(). For floating point
numbers, this truncates towards zero.
If x is not a number or if base is given, then x must be a string,
bytes, or bytearray instance representing an integer literal in the
given base. The literal can be preceded by '+' or '-' and be surrounded
by whitespace. The base defaults to 10. Valid bases are 0 and 2-36.
Base 0 means to interpret the base from the string as an integer literal.
>>> int('0b100', base=0)
4";
Ok(vm.ctx.new_str(s.to_string()))
}
pub fn init(context: &PyContext) {
let ref int_type = context.int_type;
context.set_attr(&int_type, "__eq__", context.new_rustfunc(int_eq));
@@ -460,4 +479,5 @@ pub fn init(context: &PyContext) {
"bit_length",
context.new_rustfunc(int_bit_length),
);
context.set_attr(&int_type, "__doc__", context.new_property(int_doc));
}