yhara

; original: ~/research/chibi-scheme/lib/init-7.scm
(import (scheme base) (scheme write) (chibi)) ; (chibi syntax-case))

(define (syntax-rules-transformer expr rename compare)
  (let ((ellipsis-specified? (identifier? (cadr expr)))
        (count 0)
        (_er-macro-transformer (rename 'er-macro-transformer))
        (_lambda (rename 'lambda))      (_let (rename 'let))
        (_begin (rename 'begin))        (_if (rename 'if))
        (_and (rename 'and))            (_or (rename 'or))

yhara

require 'tempfile'

# File.openを使う処理
def write_hello(path)
  File.open(path, "a") do |file|
    file.write "hello"
  end
end

# テスト

yhara

HOOK = proc{}
class A
  def foo
    ObjectSpace.define_finalizer self, HOOK
  end
end

A.new.foo
10.times{GC.start}
p ObjectSpace.each_object(A).to_a  #=> [#<A:0x00007fbae28ef1f8>]

yhara

source 'https://rubygems.org'
gem 'activerecord', '5.2.0'

yhara

struct Parser<'a> {
    pub str: String,
    pub current_token: Option<&'a str>,
}

impl<'a> Parser<'a> {
    pub fn lex(&'a mut self) {
        let tmp: &'a str = &self.str[0..1];
        self.current_token = Some(tmp);
    }

yhara

struct Parser<'a> {
    pub str: String,
    pub current_token: Option<&'a str>,
}

impl<'a> Parser<'a> {
    pub fn lex(&mut self) {
        self.current_token = Some(&self.str[0..1]);
    }
}

yhara

yhara

draftです。

yhara

footer: RubyKaigi 2017 (19, Sep) slidenumbers: true autoscale: true

Ruby, Opal and WebAssembly

RubyKaigi2017



yhara (Yutaka Hara)

---

yhara

#include "ergodox.h"
#include "debug.h"
#include "action_layer.h"

#define BASE 0 // default layer
#define SYMB 1 // symbols
#define MDIA 2 // media keys
#define LOWER 3
#define RAISE 4