See Yoda condition in All languages combined, or Wiktionary
Download JSON data for Yoda condition meaning in English (7.5kB)
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"ref": "2013, Adam Onishi, “Getting Started”, in Pro WordPress Theme Development, Berkeley, Calif.: Apress, Springer Nature, page 14",
"text": "A great convention to stick to, the Yoda condition requires you to keep the comparison variable on the right side of the conditional statement.",
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"ref": "2014, Kirk Hazen, “The Winding Paths of Language in Education”, in An Introduction to Language (Linguistics in the World), Malden, Mass.: Wiley-Blackwell, page 331",
"text": "A computer programmer is trying to explain a recent problem to a journalist friend, and she says, \"This jimmy had put in Yoda conditions and had been refactoring my previous work so that in the end it was just hooker code.\" The journalist friend looks baffled.",
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"ref": "2015, Jim Manico, August Detlefsen, “Access Control”, in Iron-clad Java: Building Secure Web Applications (Oracle Press), New York, N.Y.: McGraw-Hill Education, page 66",
"text": "// what happens if the debug parameter is removed // from the request and becomes a null? // should really be using a Yoda Condition here ;)",
"type": "quotation"
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"ref": "2015 February, William Sherif, “If, Else, and Switch”, in Learning C++ by Creating Games with UE4: Learn C++ Programming with a Fun, Real-world Application that Allows You to Create Your Own Games!, Birmingham, West Midlands: Packt Publishing, page 48",
"text": "Writing if(isHungry = true) by accident will set isHungry to true every time the if statement is hit! To avoid this possibility, we can just write if(isHungry). Alternatively, some (wise) people use what are called Yoda conditions to check an if statement: if(true == isHungry). The reason we write the if statement in this way is that, if we accidentally write if(true = isHungry), this will generate a compiler error, catching the mistake.",
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"ref": "2020, Amy Noelle Parks, “Evie”, in The Quantum Weirdness of the Almost-kiss, New York, N.Y.: Amulet Books, Abrams Books",
"text": "Leo grimaces at Caleb. \"I never asked—how did you figure it out?\" / \"Yoda conditions. You may as well have signed your name.\" At my blank look, Caleb says, \"Your boyfriend writes his code backwards.\"",
"type": "quotation"
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"ref": "2022, Paul Deitel, Harvey Deitel, C++20 for Programmers: An Objects-natural Approach (Deitel Developer Series), Boston, Mass.: Pearson Prentice Hall",
"text": "Programmers normally write conditions such as x == 7 with the variable name (an lvalue) on the left and the literal (an rvalue) on the right. Placing the literal on the left, as in 7 == x (which is syntactically correct and is sometimes called a \"Yoda condition\"), enables the compiler to issue an error if you accidentally replace the == operator with =. The compiler treats this as a compilation error because you can't change a literal's value.",
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"A logical condition with the usual order of operands reversed for various reasons, such as avoiding accidental misuse of = (assignment) instead of == (equality), a mistake that is harder to spot when using the normal order of operands."
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"(programming, informal) A logical condition with the usual order of operands reversed for various reasons, such as avoiding accidental misuse of = (assignment) instead of == (equality), a mistake that is harder to spot when using the normal order of operands."
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"lang": "Chinese Mandarin",
"sense": "logical condition with the usual order of operands reversed",
"word": "尤達條件"
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"roman": "Yóudá tiáojiàn",
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"ref": "2014, Kirk Hazen, “The Winding Paths of Language in Education”, in An Introduction to Language (Linguistics in the World), Malden, Mass.: Wiley-Blackwell, page 331",
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"text": "// what happens if the debug parameter is removed // from the request and becomes a null? // should really be using a Yoda Condition here ;)",
"type": "quotation"
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"ref": "2015 February, William Sherif, “If, Else, and Switch”, in Learning C++ by Creating Games with UE4: Learn C++ Programming with a Fun, Real-world Application that Allows You to Create Your Own Games!, Birmingham, West Midlands: Packt Publishing, page 48",
"text": "Writing if(isHungry = true) by accident will set isHungry to true every time the if statement is hit! To avoid this possibility, we can just write if(isHungry). Alternatively, some (wise) people use what are called Yoda conditions to check an if statement: if(true == isHungry). The reason we write the if statement in this way is that, if we accidentally write if(true = isHungry), this will generate a compiler error, catching the mistake.",
"type": "quotation"
},
{
"ref": "2020, Amy Noelle Parks, “Evie”, in The Quantum Weirdness of the Almost-kiss, New York, N.Y.: Amulet Books, Abrams Books",
"text": "Leo grimaces at Caleb. \"I never asked—how did you figure it out?\" / \"Yoda conditions. You may as well have signed your name.\" At my blank look, Caleb says, \"Your boyfriend writes his code backwards.\"",
"type": "quotation"
},
{
"ref": "2022, Paul Deitel, Harvey Deitel, C++20 for Programmers: An Objects-natural Approach (Deitel Developer Series), Boston, Mass.: Pearson Prentice Hall",
"text": "Programmers normally write conditions such as x == 7 with the variable name (an lvalue) on the left and the literal (an rvalue) on the right. Placing the literal on the left, as in 7 == x (which is syntactically correct and is sometimes called a \"Yoda condition\"), enables the compiler to issue an error if you accidentally replace the == operator with =. The compiler treats this as a compilation error because you can't change a literal's value.",
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"(programming, informal) A logical condition with the usual order of operands reversed for various reasons, such as avoiding accidental misuse of = (assignment) instead of == (equality), a mistake that is harder to spot when using the normal order of operands."
],
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"translations": [
{
"code": "cmn",
"lang": "Chinese Mandarin",
"sense": "logical condition with the usual order of operands reversed",
"word": "尤達條件"
},
{
"code": "cmn",
"lang": "Chinese Mandarin",
"roman": "Yóudá tiáojiàn",
"sense": "logical condition with the usual order of operands reversed",
"word": "尤达条件"
},
{
"code": "fi",
"lang": "Finnish",
"sense": "logical condition with the usual order of operands reversed",
"word": "ehto, jossa vakio on vasemmalla"
},
{
"code": "fr",
"lang": "French",
"sense": "logical condition with the usual order of operands reversed",
"tags": [
"feminine"
],
"word": "condition Yoda"
},
{
"code": "es",
"lang": "Spanish",
"sense": "logical condition with the usual order of operands reversed",
"tags": [
"feminine"
],
"word": "condición Yoda"
}
],
"word": "Yoda condition"
}
This page is a part of the kaikki.org machine-readable English dictionary. This dictionary is based on structured data extracted on 2024-05-01 from the enwiktionary dump dated 2024-04-21 using wiktextract (f4fd8c9 and c9440ce). The data shown on this site has been post-processed and various details (e.g., extra categories) removed, some information disambiguated, and additional data merged from other sources. See the raw data download page for the unprocessed wiktextract data.
If you use this data in academic research, please cite Tatu Ylonen: Wiktextract: Wiktionary as Machine-Readable Structured Data, Proceedings of the 13th Conference on Language Resources and Evaluation (LREC), pp. 1317-1325, Marseille, 20-25 June 2022. Linking to the relevant page(s) under https://kaikki.org would also be greatly appreciated.