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Commit ade9577

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ramalhoramalho
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sync from Atlas
1 parent c93076a commit ade9577
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6 files changed

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‎02-array-seq/lispy/py3.10/lis.py

Copy file name to clipboardExpand all lines: 02-array-seq/lispy/py3.10/lis.py
+2-2Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -122,7 +122,7 @@ def standard_env() -> Environment:
122122
# tag::REPL[]
123123
def repl(prompt: str = 'lis.py> ') -> NoReturn:
124124
"A prompt-read-eval-print loop."
125-
global_env = standard_env()
125+
global_env = Environment({}, standard_env())
126126
while True:
127127
ast = parse(input(prompt))
128128
val = evaluate(ast, global_env)
@@ -200,7 +200,7 @@ def __call__(self, *args: Expression) -> Any: # <3>
200200
################ command-line interface
201201

202202
def run(source: str) -> Any:
203-
global_env = standard_env()
203+
global_env = Environment({}, standard_env())
204204
tokens = tokenize(source)
205205
while tokens:
206206
exp = read_from_tokens(tokens)

‎02-array-seq/lispy/py3.9/lis.py

Copy file name to clipboardExpand all lines: 02-array-seq/lispy/py3.9/lis.py
+2-2Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -117,7 +117,7 @@ def standard_env() -> Environment:
117117

118118
def repl(prompt: str = 'lis.py> ') -> NoReturn:
119119
"A prompt-read-eval-print loop."
120-
global_env = standard_env()
120+
global_env = Environment({}, standard_env())
121121
while True:
122122
ast = parse(input(prompt))
123123
val = evaluate(ast, global_env)
@@ -190,7 +190,7 @@ def __call__(self, *args: Expression) -> Any:
190190
################ command-line interface
191191

192192
def run(source: str) -> Any:
193-
global_env = standard_env()
193+
global_env = Environment({}, standard_env())
194194
tokens = tokenize(source)
195195
while tokens:
196196
exp = read_from_tokens(tokens)

‎18-with-match/lispy/py3.10/examples_test.py

Copy file name to clipboardExpand all lines: 18-with-match/lispy/py3.10/examples_test.py
-1Lines changed: 0 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -48,7 +48,6 @@
4848
# end::EVAL_NUMBER[]
4949
5050
# tag::EVAL_SYMBOL[]
51-
>>> from lis import standard_env
5251
>>> evaluate(parse('+'), standard_env())
5352
<built-in function add>
5453
>>> evaluate(parse('ni!'), standard_env())

‎18-with-match/lispy/py3.10/lis.py

Copy file name to clipboardExpand all lines: 18-with-match/lispy/py3.10/lis.py
+7-14Lines changed: 7 additions & 14 deletions
Original file line numberDiff line numberDiff line change
@@ -121,7 +121,7 @@ def standard_env() -> Environment:
121121
# tag::REPL[]
122122
def repl(prompt: str = 'lis.py> ') -> NoReturn:
123123
"A prompt-read-eval-print loop."
124-
global_env = standard_env()
124+
global_env = Environment({}, standard_env())
125125
while True:
126126
ast = parse(input(prompt))
127127
val = evaluate(ast, global_env)
@@ -140,10 +140,7 @@ def lispstr(exp: object) -> str:
140140
################ Evaluator
141141

142142
# tag::EVALUATE[]
143-
KEYWORDS = {'quote', 'if', 'lambda', 'define', 'set!'}
144-
145-
def is_keyword(s: Any) -> bool:
146-
return isinstance(s, Symbol) and s in KEYWORDS
143+
KEYWORDS = ['quote', 'if', 'lambda', 'define', 'set!']
147144

148145
def evaluate(exp: Expression, env: Environment) -> Any:
149146
"Evaluate an expression in an environment."
@@ -161,17 +158,13 @@ def evaluate(exp: Expression, env: Environment) -> Any:
161158
return evaluate(alternative, env)
162159
case ['lambda', [*parms], *body] if body:
163160
return Procedure(parms, body, env)
164-
case ['define', Symbol(var), value_exp]:
165-
env[var] = evaluate(value_exp, env)
161+
case ['define', Symbol(name), value_exp]:
162+
env[name] = evaluate(value_exp, env)
166163
case ['define', [Symbol(name), *parms], *body] if body:
167164
env[name] = Procedure(parms, body, env)
168-
case ['set!', Symbol(var), value_exp]:
169-
env.change(var, evaluate(value_exp, env))
170-
<<<<<<< HEAD
165+
case ['set!', Symbol(name), value_exp]:
166+
env.change(name, evaluate(value_exp, env))
171167
case [func_exp, *args] if func_exp not in KEYWORDS:
172-
=======
173-
case [func_exp, *args] if not is_keyword(func_exp):
174-
>>>>>>> 3ecfb212c6273122797c76876d6b373b2cb94fa6
175168
proc = evaluate(func_exp, env)
176169
values = [evaluate(arg, env) for arg in args]
177170
return proc(*values)
@@ -202,7 +195,7 @@ def __call__(self, *args: Expression) -> Any: # <3>
202195
################ command-line interface
203196

204197
def run(source: str) -> Any:
205-
global_env = standard_env()
198+
global_env = Environment({}, standard_env())
206199
tokens = tokenize(source)
207200
while tokens:
208201
exp = read_from_tokens(tokens)

‎18-with-match/lispy/py3.9/lis.py

Copy file name to clipboardExpand all lines: 18-with-match/lispy/py3.9/lis.py
+2-2Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -117,7 +117,7 @@ def standard_env() -> Environment:
117117

118118
def repl(prompt: str = 'lis.py> ') -> NoReturn:
119119
"A prompt-read-eval-print loop."
120-
global_env = standard_env()
120+
global_env = Environment({}, standard_env())
121121
while True:
122122
ast = parse(input(prompt))
123123
val = evaluate(ast, global_env)
@@ -193,7 +193,7 @@ def __call__(self, *args: Expression) -> Any:
193193
################ command-line interface
194194

195195
def run(source: str) -> Any:
196-
global_env = standard_env()
196+
global_env = Environment({}, standard_env())
197197
tokens = tokenize(source)
198198
while tokens:
199199
exp = read_from_tokens(tokens)

‎19-concurrency/primes/spinner_prime_async_nap.py

Copy file name to clipboardExpand all lines: 19-concurrency/primes/spinner_prime_async_nap.py
+8-7Lines changed: 8 additions & 7 deletions
Original file line numberDiff line numberDiff line change
@@ -7,6 +7,7 @@
77
import asyncio
88
import itertools
99
import math
10+
import functools
1011

1112
# tag::PRIME_NAP[]
1213
async def is_prime(n):
@@ -21,8 +22,8 @@ async def is_prime(n):
2122
for i in range(3, root + 1, 2):
2223
if n % i == 0:
2324
return False
24-
if i % 100_000 == 1: # <2>
25-
await asyncio.sleep(0)
25+
if i % 100_000 == 1:
26+
await asyncio.sleep(0) # <1>
2627
return True
2728
# end::PRIME_NAP[]
2829

@@ -39,13 +40,13 @@ async def spin(msg: str) -> None:
3940
print(f'\r{blanks}\r', end='')
4041

4142
async def check(n: int) -> int:
42-
return await is_prime(n) # <4>
43+
return await is_prime(n)
4344

4445
async def supervisor(n: int) -> int:
45-
spinner = asyncio.create_task(spin('thinking!')) # <1>
46-
print('spinner object:', spinner) # <2>
47-
result = await check(n) # <3>
48-
spinner.cancel() # <5>
46+
spinner = asyncio.create_task(spin('thinking!'))
47+
print('spinner object:', spinner)
48+
result = await check(n)
49+
spinner.cancel()
4950
return result
5051

5152
def main() -> None:

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