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PEP 675: Arbitrary literal string type¶

Vinay Rawal answered on March 23, 2023 Popularity 1/10 Helpfulness 1/10

answer PEP 675: Arbitrary literal string type¶

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PEP 675: Arbitrary literal string type¶

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def run_query(sql: LiteralString) -> ...
    ...

def caller(
    arbitrary_string: str,
    query_string: LiteralString,
    table_name: LiteralString,
) -> None:
    run_query("SELECT * FROM students")       # ok
    run_query(query_string)                   # ok
    run_query("SELECT * FROM " + table_name)  # ok
    run_query(arbitrary_string)               # type checker error
    run_query(                                # type checker error
        f"SELECT * FROM students WHERE name = {arbitrary_string}"
    )

Popularity 1/10 Helpfulness 1/10 Language python

Source: docs.python.org

Tags: pep python string

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Contributed on Mar 23 2023

Vinay Rawal

0 Answers Avg Quality 2/10

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PEP 675: Arbitrary literal string type¶

Comment

def run_query(sql: LiteralString) -> ...
    ...

def caller(
    arbitrary_string: str,
    query_string: LiteralString,
    table_name: LiteralString,
) -> None:
    run_query("SELECT * FROM students")       # ok
    run_query(query_string)                   # ok
    run_query("SELECT * FROM " + table_name)  # ok
    run_query(arbitrary_string)               # type checker error
    run_query(                                # type checker error
        f"SELECT * FROM students WHERE name = {arbitrary_string}"
    )

Popularity 1/10 Helpfulness 1/10 Language python

Source: docs.python.org

Tags: pep python string

Link to this answer
Share Copy Link

Contributed on Mar 23 2023

Vinay Rawal

0 Answers Avg Quality 2/10

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PEP 675: Arbitrary literal string type¶

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PEP 675: Arbitrary literal string type¶

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PEP 675: Arbitrary literal string type¶

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