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Structural type system information


A structural type system (or property-based type system) is a major class of type systems in which type compatibility and equivalence are determined by the type's actual structure or definition and not by other characteristics such as its name or place of declaration. Structural systems are used to determine if types are equivalent and whether a type is a subtype of another. It contrasts with nominative systems, where comparisons are based on the names of the types or explicit declarations, and duck typing, in which only the part of the structure accessed at runtime is checked for compatibility.

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Structural type system

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A structural type system (or property-based type system) is a major class of type systems in which type compatibility and equivalence are determined by...

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Structural system

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term structural system or structural frame in structural engineering refers to the load-resisting sub-system of a building or object. The structural system...

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Nominal type system

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with structural systems, where comparisons are based on the structure of the types in question and do not require explicit declarations. Nominal typing means...

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Nominative and structural type systems

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Nominative and structural type systems are: Nominative type system Structural type system The differences between nominative and structural type systems are discussed...

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Duck typing

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distinct from, structural typing. Structural typing is a static typing system that determines type compatibility and equivalence by a type's structure, whereas...

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Comparison of programming languages by type system

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language decides whether types are compatible and/or equivalent based on explicit declarations and names. A structural type system means that the language...

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Type system

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In computer programming, a type system is a logical system comprising a set of rules that assigns a property called a type (for example, integer, floating...

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Substructural type system

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Substructural type systems are a family of type systems analogous to substructural logics where one or more of the structural rules are absent or only...

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Structural violence

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category of violence, and "structurally conditioned repression" (or, "repressive intolerance") as the second type of structural violence.: 11  Lastly, Galtung...

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Top type

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with a structural type system, the empty structure serves as a top type. For example, objects in OCaml are structurally typed; the empty object type (the...

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Structural integrity and failure

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limit state that must be accounted for in structural design is ultimate failure strength. In a well designed system, a localized failure should not cause...

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Structural analysis

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Structures subject to this type of analysis include all that must withstand loads, such as buildings, bridges, aircraft and ships. Structural analysis uses ideas...

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Structural support

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designs. The support connection type has effects on the load bearing capacity of each element, which makes up a structural system. Each support condition influences...

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Structural linguistics

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units in the system. Structuralism as a term, however, was not used by Saussure, who called the approach semiology. The term structuralism is derived from...

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Structural equation modeling

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Structural equation modeling (SEM) is a diverse set of methods used by scientists doing both observational and experimental research. SEM is used mostly...

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Petroleum trap

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petroleum system allowing the accumulation of hydrocarbons in a reservoir. Traps can be of two types: stratigraphic or structural. Structural traps are...

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Structural formula

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other chemical formula types, which have a limited number of symbols and are capable of only limited descriptive power, structural formulas provide a more...

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Structural engineering

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to build complex structural systems. Structural engineers are responsible for making creative and efficient use of funds, structural elements and materials...

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Generic programming

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Haskell-like languages, which use a structural type system where types are always parametric and the actual code on those types is generic. These uses still...

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Structural functionalism

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Structural functionalism, or simply functionalism, is "a framework for building theory that sees society as a complex system whose parts work together...

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Anchor bolt

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stiffeners. Anchor bolts transfer different types of load: tension forces and shear forces. A connection between structural elements can be represented by steel...

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Structuralism

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human culture by way of their relationship to a broader system. It works to uncover the structural patterns that underlie all the things that humans do,...

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Chemical formula

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generally more limited in power than chemical names and structural formulae. The simplest types of chemical formulae are called empirical formulae, which...

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Structural drawing

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A structural drawing, a type of engineering drawing, is a plan or set of plans and details for how a building or other structure will be built. Structural...

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Structural engineer

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Structural engineers analyze, design, plan, and research structural components and structural systems to achieve design goals and ensure the safety and...

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