alvin alexander
Nodes for the term “option”
Scala Either type: How to get the value out of an Either
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ZIO 2: Using Either with ZIO in a Scala for-expression
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A Scala Either, Left, and Right example (like Option, Some, and None)
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Using the Scala Option, Some, and None idiom (instead of Java null)
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Scala: Handling nested Options with flatMap and for
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Scala/for/Option: How to process multiple Option values in a Scala ‘for’ loop
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Functional error handling in Scala
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Scala best practice: How to use the Option/Some/None pattern
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Scala: “IO monad doesn’t make a function pure; it just makes it obvious it’s impure”
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Ammonite REPL and ZIO, Option, Try, Either, Future in a for-expression
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Scala: How to create a None with a specific data type
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The fastest way to learn functional programming (for Java/Kotlin/OOP developers)
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Scala: How to use ‘fold’ on an Option (syntax, examples)
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Scala 3: Functions: Options and Functional Error Handling (Part 1)
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Some Scala Exception ‘allCatch’ examples
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Scala: How to use higher-order functions (HOFs) with Option (instead of match expressions)
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Functional error handling in Scala (Martin Odersky’s strawman proposal, 2022)
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Functional error handling in Scala (links)
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Scala best practices: null values, Option, Some, and None
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A simple Scala Try, Success, Failure example (reading a file)
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Thinking With Types: Functional error handling in Scala
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A list of United States for an HTML select/option tag (drop-down list)
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Never make someone a priority ... (Maya Angelou quote)
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Comparisons of Java’s Optional and Scala’s Option
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Scala: Idiomatic processing of an Option
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How to declare, set, and use Option, Some, and None fields in Scala
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Scala Option, Some, None syntax examples
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More null values seen in the wild
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Another Scala nested Option + flatMap example
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An interesting story on the Scala phrase, 'flatMap that sh*t'
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How to use `curl` to get headers from a URL
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Database-driven version of United States dropdown data
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The rationale for Optional (in Java)
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Initialize Scala variables with Option, None, and Some (not null)
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Erlang rule: Don’t program defensively
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The Java PrintFlagsFinal Java/JVM option (maxpermsize, maxheapsize)
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iPhone web apps - the HTML SELECT element
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