def load_config(m: Module, filename: Symbol) -> Symbol:
LoadConfig = Symbol("LoadConfig") # todo: import
config = Symbol("config")
err = Symbol("err")
m.stmt("{}, {} := {}", config, err, LoadConfig(filename))
with m.if_(LazyFormat("{} != nil", err)):
m.return_(err)
return config
import typing as t
from appkit import Config, Error, Cleanup, gen, Symbol
from prestring.go import Module
class Foo:
__gomodule__ = "github.com/podhmo/appkit/foo"
def FromConfig(c: Config) -> Foo:
pass
c = Symbol("c", Config)
m = Module()
with m.func("run", return_="error"):
m.stmt("filename := *config")
m.stmt("c, err := conf.LoadConfig(filename)")
with m.if_("err != nil"):
m.return_("err")
m = gen(m, c, FromConfig)
m.stmt("fooOb := foo.FromConfig(c)")
m.return_("use(fooOb)")
print(m)
from prestring.go import Module
m = Module()
m.package('main')
with m.import_group() as im:
im.import_("fmt")
with m.func('Fizzbuzz', 'v int', return_='(string, error)'):
with m.if_("v == 1"):
m.return_('"1", nil')
for i in range(2, 101):
with m.elif_("v == {}".format(i)):
if i % 15 == 0:
m.return_('"fizzbuzz", nil')
elif i % 3 == 0:
m.return_('"fizz", nil')
elif i % 5 == 0:
m.return_('"buzz", nil')
else:
m.return_('"{}", nil'.format(i))
with m.else_():
m.return_('"", fmt.Errorf("unsupported value: %q", v)')
print(m)
from prestring.go import Module
m = Module()
m.package('main')
with m.import_group() as im:
im.import_("fmt")
with m.func('main'):
with m.for_("i := 1; i <= 100; i++"):
m.stmt("v, err := FizzBuzz(i)")
with m.if_("err != nil"):
m.stmt("panic(err)")
m.stmt("fmt.Println(v)")
with m.func('FizzBuzz', 'v int', return_='(string, error)'):
with m.if_("v == 1"):
m.return_('"1", nil')
for i in range(2, 101):
with m.elif_("v == {}".format(i)):
if i % 15 == 0:
m.return_('"fizzbuzz", nil')
elif i % 3 == 0:
m.return_('"fizz", nil')
elif i % 5 == 0:
m.return_('"buzz", nil')
else:
m.return_('"{}", nil'.format(i))
with m.else_():
m.return_('"", fmt.Errorf("unsupported value: %q", v)')